55325805372 has 72 divisors (see below), whose sum is σ = 140686138320. Its totient is φ = 18332006400.

The previous prime is 55325805371. The next prime is 55325805389. The reversal of 55325805372 is 27350852355.

It is a happy number.

55325805372 is a `hidden beast` number, since 5 + 5 + 32 + 5 + 80 + 537 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55325805371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12427747 + ... + 12432197.

Almost surely, 2^55325805372 is an apocalyptic number.

It is an amenable number.

55325805372 is an abundant number, since it is smaller than the sum of its proper divisors (85360332948).

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

55325805372 is a wasteful number, since it uses less digits than its factorization.

55325805372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6443 (or 6438 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 55325805372 in words is "fifty-five billion, three hundred twenty-five million, eight hundred five thousand, three hundred seventy-two".