51875424 has 48 divisors (see below), whose sum is σ = 151305840. Its totient is φ = 17291520.

The previous prime is 51875413. The next prime is 51875471. The reversal of 51875424 is 42457815.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29157 + ... + 30884.

It is an arithmetic number, because the mean of its divisors is an integer number (3152205).

Almost surely, 2^51875424 is an apocalyptic number.

51875424 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

51875424 is an abundant number, since it is smaller than the sum of its proper divisors (99430416).

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

51875424 is a wasteful number, since it uses less digits than its factorization.

51875424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60060 (or 60046 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 51875424 is about 7202.4595798935. The cubic root of 51875424 is about 372.9528123982.

The spelling of 51875424 in words is "fifty-one million, eight hundred seventy-five thousand, four hundred twenty-four".