55303886 has 32 divisors (see below), whose sum is σ = 93000960. Its totient is φ = 24452800.

The previous prime is 55303879. The next prime is 55303921. The reversal of 55303886 is 68830355.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177671 + ... + 177981.

It is an arithmetic number, because the mean of its divisors is an integer number (2906280).

Almost surely, 2^55303886 is an apocalyptic number.

55303886 is a deficient number, since it is larger than the sum of its proper divisors (37697074).

55303886 is a wasteful number, since it uses less digits than its factorization.

55303886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 55303886 is about 7436.6582548884. The cubic root of 55303886 is about 380.9943624979.

The spelling of 55303886 in words is "fifty-five million, three hundred three thousand, eight hundred eighty-six".