55973636 has 6 divisors (see below), whose sum is σ = 97953870. Its totient is φ = 27986816.

The previous prime is 55973629. The next prime is 55973647. The reversal of 55973636 is 63637955.

It can be written as a sum of positive squares in only one way, i.e., 30913600 + 25060036 = 5560^2 + 5006^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6996701 + ... + 6996708.

It is an arithmetic number, because the mean of its divisors is an integer number (16325645).

Almost surely, 2^55973636 is an apocalyptic number.

It is an amenable number.

55973636 is a deficient number, since it is larger than the sum of its proper divisors (41980234).

55973636 is a wasteful number, since it uses less digits than its factorization.

55973636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13993413 (or 13993411 counting only the distinct ones).

The product of its digits is 510300, while the sum is 44.

The square root of 55973636 is about 7481.5530473291. The cubic root of 55973636 is about 382.5261884187.

The spelling of 55973636 in words is "fifty-five million, nine hundred seventy-three thousand, six hundred thirty-six".