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55058900450 = 25217131643769
BaseRepresentation
bin110011010001110001…
…000010010111100010
312021010011000221102012
4303101301002113202
51400230034303300
641143235152522
73656260634441
oct632161022742
9167104027365
1055058900450
112139434a914
12a807145742
135265b81c48
142944564d58
151673a83435
hexcd1c425e2

55058900450 has 96 divisors (see below), whose sum is σ = 109573611840. Its totient is φ = 20511129600.

The previous prime is 55058900447. The next prime is 55058900489. The reversal of 55058900450 is 5400985055.

It is a junction number, because it is equal to n+sod(n) for n = 55058900398 and 55058900407.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 71597666 + ... + 71598434.

It is an arithmetic number, because the mean of its divisors is an integer number (1141391790).

Almost surely, 255058900450 is an apocalyptic number.

55058900450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55058900450 is a deficient number, since it is larger than the sum of its proper divisors (54514711390).

55058900450 is a wasteful number, since it uses less digits than its factorization.

55058900450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1572 (or 1567 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 41.

The spelling of 55058900450 in words is "fifty-five billion, fifty-eight million, nine hundred thousand, four hundred fifty".

Divisors: 1 2 5 10 17 25 34 50 85 131 170 262 425 643 655 769 850 1286 1310 1538 2227 3215 3275 3845 4454 6430 6550 7690 10931 11135 13073 16075 19225 21862 22270 26146 32150 38450 54655 55675 65365 84233 100739 109310 111350 130730 168466 201478 273275 326825 421165 494467 503695 546550 653650 842330 988934 1007390 1431961 1712563 2105825 2472335 2518475 2863922 3425126 4211650 4944670 5036950 7159805 8405939 8562815 12361675 14319610 16811878 17125630 24723350 35799025 42029695 42814075 64775177 71598050 84059390 85628150 129550354 210148475 323875885 420296950 647751770 1101178009 1619379425 2202356018 3238758850 5505890045 11011780090 27529450225 55058900450