51545376 has 48 divisors (see below), whose sum is σ = 150343200. Its totient is φ = 17181504.

The previous prime is 51545371. The next prime is 51545387. The reversal of 51545376 is 67354515.

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 self number, because there is not a number n which added to its sum of digits gives 51545376.

It is not an unprimeable number, because it can be changed into a prime (51545371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28966 + ... + 30693.

It is an arithmetic number, because the mean of its divisors is an integer number (3132150).

Almost surely, 2^51545376 is an apocalyptic number.

It is an amenable number.

51545376 is an abundant number, since it is smaller than the sum of its proper divisors (98797824).

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

51545376 is a wasteful number, since it uses less digits than its factorization.

51545376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59678 (or 59664 counting only the distinct ones).

The product of its digits is 63000, while the sum is 36.

The square root of 51545376 is about 7179.5108468474. The cubic root of 51545376 is about 372.1601807572.

The spelling of 51545376 in words is "fifty-one million, five hundred forty-five thousand, three hundred seventy-six".