55642562 has 16 divisors (see below), whose sum is σ = 85110432. Its totient is φ = 27276480.

The previous prime is 55642549. The next prime is 55642577. The reversal of 55642562 is 26524655.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31433 + ... + 33155.

It is an arithmetic number, because the mean of its divisors is an integer number (5319402).

Almost surely, 2^55642562 is an apocalyptic number.

55642562 is a deficient number, since it is larger than the sum of its proper divisors (29467870).

55642562 is a wasteful number, since it uses less digits than its factorization.

55642562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033.

The product of its digits is 72000, while the sum is 35.

The square root of 55642562 is about 7459.3942113284. The cubic root of 55642562 is about 381.7705053196.

The spelling of 55642562 in words is "fifty-five million, six hundred forty-two thousand, five hundred sixty-two".