55831150 has 48 divisors (see below), whose sum is σ = 108055584. Its totient is φ = 21444480.

The previous prime is 55831147. The next prime is 55831183. The reversal of 55831150 is 5113855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 190404 + ... + 190696.

It is an arithmetic number, because the mean of its divisors is an integer number (2251158).

Almost surely, 2^55831150 is an apocalyptic number.

55831150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55831150 is a deficient number, since it is larger than the sum of its proper divisors (52224434).

55831150 is a wasteful number, since it uses less digits than its factorization.

55831150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 28.

The square root of 55831150 is about 7472.0244913946. The cubic root of 55831150 is about 382.2013274976.

The spelling of 55831150 in words is "fifty-five million, eight hundred thirty-one thousand, one hundred fifty".