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55252950 = 23521919387
BaseRepresentation
bin1101001011000…
…1011111010110
310211222010210120
43102301133112
5103121043300
65252132410
71240433214
oct322613726
9124863716
1055252950
11292093a5
1216607106
13b5a736c
1474a3cb4
154cb63a0
hex34b17d6

55252950 has 48 divisors (see below), whose sum is σ = 144246720. Its totient is φ = 13957920.

The previous prime is 55252949. The next prime is 55252961. The reversal of 55252950 is 5925255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6844 + ... + 12543.

It is an arithmetic number, because the mean of its divisors is an integer number (3005140).

Almost surely, 255252950 is an apocalyptic number.

55252950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55252950 is an abundant number, since it is smaller than the sum of its proper divisors (88993770).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55252950 is a wasteful number, since it uses less digits than its factorization.

55252950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19421 (or 19416 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 55252950 is about 7433.2328094847. The cubic root of 55252950 is about 380.8773587261.

The spelling of 55252950 in words is "fifty-five million, two hundred fifty-two thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 50 57 75 95 114 150 190 285 475 570 950 1425 2850 19387 38774 58161 96935 116322 193870 290805 368353 484675 581610 736706 969350 1105059 1454025 1841765 2210118 2908050 3683530 5525295 9208825 11050590 18417650 27626475 55252950