55131050 has 48 divisors (see below), whose sum is σ = 111789720. Its totient is φ = 20106240.

The previous prime is 55131049. The next prime is 55131061. The reversal of 55131050 is 5013155.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 1270129 + 53860921 = 1127^2 + 7339^2 .

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, 57374 + ... + 58326.

Almost surely, 2^55131050 is an apocalyptic number.

55131050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55131050 is an abundant number, since it is smaller than the sum of its proper divisors (56658670).

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

55131050 is a wasteful number, since it uses less digits than its factorization.

55131050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1067 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 20.

The square root of 55131050 is about 7425.0286194735. The cubic root of 55131050 is about 380.5970531131.

The spelling of 55131050 in words is "fifty-five million, one hundred thirty-one thousand, fifty".