55788836 has 6 divisors (see below), whose sum is σ = 97630470. Its totient is φ = 27894416.

The previous prime is 55788833. The next prime is 55788841. The reversal of 55788836 is 63888755.

It can be written as a sum of positive squares in only one way, i.e., 36481600 + 19307236 = 6040^2 + 4394^2 .

It is a super-2 number, since 2×55788836² = 6224788444469792, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55788833) 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 as a sum of consecutive naturals, namely, 6973601 + ... + 6973608.

It is an arithmetic number, because the mean of its divisors is an integer number (16271745).

Almost surely, 2^55788836 is an apocalyptic number.

It is an amenable number.

55788836 is a deficient number, since it is larger than the sum of its proper divisors (41841634).

55788836 is a wasteful number, since it uses less digits than its factorization.

55788836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13947213 (or 13947211 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 50.

The square root of 55788836 is about 7469.1924596974. The cubic root of 55788836 is about 382.1047472770.

The spelling of 55788836 in words is "fifty-five million, seven hundred eighty-eight thousand, eight hundred thirty-six".