55525652400 has 120 divisors (see below), whose sum is σ = 185600620800. Its totient is φ = 14163057920.

The previous prime is 55525652389. The next prime is 55525652437. The reversal of 55525652400 is 425652555.

It is a tau number, because it is divible by the number of its divisors (120).

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, 978300 + ... + 1033499.

It is an arithmetic number, because the mean of its divisors is an integer number (1546671840).

Almost surely, 2^55525652400 is an apocalyptic number.

55525652400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55525652400 is an abundant number, since it is smaller than the sum of its proper divisors (130074968400).

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

55525652400 is a wasteful number, since it uses less digits than its factorization.

55525652400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011843 (or 2011832 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 55525652400 in words is "fifty-five billion, five hundred twenty-five million, six hundred fifty-two thousand, four hundred".