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55453553430 = 23511215276461
BaseRepresentation
bin110011101001010010…
…100001001100010110
312022010122122101112020
4303221102201030112
51402032102202210
641250334034010
74002122266302
oct635122411426
9168118571466
1055453553430
11215770a3500
12a8b7348906
1352c9870812
142980b36d02
15169853c770
hexce94a1316

55453553430 has 48 divisors (see below), whose sum is σ = 146287400112. Its totient is φ = 13443284800.

The previous prime is 55453553429. The next prime is 55453553437. The reversal of 55453553430 is 3435535455.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55453553437) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7634601 + ... + 7641860.

It is an arithmetic number, because the mean of its divisors is an integer number (3047654169).

Almost surely, 255453553430 is an apocalyptic number.

55453553430 is an abundant number, since it is smaller than the sum of its proper divisors (90833846682).

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

55453553430 is a wasteful number, since it uses less digits than its factorization.

55453553430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15276493 (or 15276482 counting only the distinct ones).

The product of its (nonzero) digits is 1350000, while the sum is 42.

The spelling of 55453553430 in words is "fifty-five billion, four hundred fifty-three million, five hundred fifty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 330 363 605 726 1210 1815 3630 15276461 30552922 45829383 76382305 91658766 152764610 168041071 229146915 336082142 458293830 504123213 840205355 1008246426 1680410710 1848451781 2520616065 3696903562 5041232130 5545355343 9242258905 11090710686 18484517810 27726776715 55453553430