56381150 has 48 divisors (see below), whose sum is σ = 122804640. Its totient is φ = 18854400.

The previous prime is 56381123. The next prime is 56381159. The reversal of 56381150 is 5118365.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56381159) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12386 + ... + 16314.

It is an arithmetic number, because the mean of its divisors is an integer number (2558430).

Almost surely, 2^56381150 is an apocalyptic number.

56381150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

56381150 is an abundant number, since it is smaller than the sum of its proper divisors (66423490).

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

56381150 is a wasteful number, since it uses less digits than its factorization.

56381150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989 (or 3984 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 56381150 is about 7508.7382428741. The cubic root of 56381150 is about 383.4522672333.

It can be divided in two parts, 56 and 381150, that multiplied together give a square (21344400 = 4620²).

The spelling of 56381150 in words is "fifty-six million, three hundred eighty-one thousand, one hundred fifty".