55605572 has 48 divisors (see below), whose sum is σ = 113944320. Its totient is φ = 23462400.

The previous prime is 55605527. The next prime is 55605577. The reversal of 55605572 is 27550655.

It is not an unprimeable number, because it can be changed into a prime (55605577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58622 + ... + 59562.

It is an arithmetic number, because the mean of its divisors is an integer number (2373840).

Almost surely, 2^55605572 is an apocalyptic number.

It is an amenable number.

55605572 is an abundant number, since it is smaller than the sum of its proper divisors (58338748).

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

55605572 is a wasteful number, since it uses less digits than its factorization.

55605572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1052 (or 1050 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 55605572 is about 7456.9143752627. The cubic root of 55605572 is about 381.6858889102.

The spelling of 55605572 in words is "fifty-five million, six hundred five thousand, five hundred seventy-two".