55425236832 has 216 divisors, whose sum is σ = 190114129296. Its totient is φ = 15002122752.

The previous prime is 55425236807. The next prime is 55425236837. The reversal of 55425236832 is 23863252455.

55425236832 is a `hidden beast` number, since 5 + 5 + 4 + 252 + 368 + 32 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55425236837) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 689698 + ... + 765854.

It is an arithmetic number, because the mean of its divisors is an integer number (880158006).

Almost surely, 2^55425236832 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55425236832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95057064648).

55425236832 is an abundant number, since it is smaller than the sum of its proper divisors (134688892464).

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

55425236832 is a wasteful number, since it uses less digits than its factorization.

55425236832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76218 (or 76188 counting only the distinct ones).

The product of its digits is 1728000, while the sum is 45.

The spelling of 55425236832 in words is "fifty-five billion, four hundred twenty-five million, two hundred thirty-six thousand, eight hundred thirty-two".