55366830 has 24 divisors (see below), whose sum is σ = 143953992. Its totient is φ = 14764464.

The previous prime is 55366813. The next prime is 55366847. The reversal of 55366830 is 3866355.

It is an interprime number because it is at equal distance from previous prime (55366813) and next prime (55366847).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 307504 + ... + 307683.

It is an arithmetic number, because the mean of its divisors is an integer number (5998083).

Almost surely, 2^55366830 is an apocalyptic number.

55366830 is an abundant number, since it is smaller than the sum of its proper divisors (88587162).

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

55366830 is a wasteful number, since it uses less digits than its factorization.

55366830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615200 (or 615197 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 55366830 is about 7440.8890597831. The cubic root of 55366830 is about 381.1388503362.

The spelling of 55366830 in words is "fifty-five million, three hundred sixty-six thousand, eight hundred thirty".