55311536 has 20 divisors (see below), whose sum is σ = 122475792. Its totient is φ = 23704896.

The previous prime is 55311517. The next prime is 55311541. The reversal of 55311536 is 63511355.

It is a junction number, because it is equal to n+sod(n) for n = 55311499 and 55311508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246815 + ... + 247038.

Almost surely, 2^55311536 is an apocalyptic number.

55311536 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55311536 is an abundant number, since it is smaller than the sum of its proper divisors (67164256).

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

55311536 is a wasteful number, since it uses less digits than its factorization.

55311536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493868 (or 493862 counting only the distinct ones).

The product of its digits is 6750, while the sum is 29.

The square root of 55311536 is about 7437.1725810284. The cubic root of 55311536 is about 381.0119289096.

The spelling of 55311536 in words is "fifty-five million, three hundred eleven thousand, five hundred thirty-six".