55329000 has 64 divisors (see below), whose sum is σ = 172635840. Its totient is φ = 14753600.

The previous prime is 55328989. The next prime is 55329041. The reversal of 55329000 is 92355.

It is a super-2 number, since 2×55329000² = 6122596482000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6222 + ... + 12221.

It is an arithmetic number, because the mean of its divisors is an integer number (2697435).

Almost surely, 2^55329000 is an apocalyptic number.

55329000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55329000 is an abundant number, since it is smaller than the sum of its proper divisors (117306840).

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

55329000 is a wasteful number, since it uses less digits than its factorization.

55329000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18467 (or 18453 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 55329000 is about 7438.3465904729. The cubic root of 55329000 is about 381.0520247776.

The spelling of 55329000 in words is "fifty-five million, three hundred twenty-nine thousand".