51272595 has 80 divisors (see below), whose sum is σ = 106321248. Its totient is φ = 23362560.

The previous prime is 51272587. The next prime is 51272597. The reversal of 51272595 is 59527215.

It is not a de Polignac number, because 51272595 - 2³ = 51272587 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51272597) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 75397 + ... + 76073.

Almost surely, 2^51272595 is an apocalyptic number.

51272595 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51272595 is an abundant number, since it is smaller than the sum of its proper divisors (55048653).

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

51272595 is a wasteful number, since it uses less digits than its factorization.

51272595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722 (or 713 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 51272595 is about 7160.4884609920. The cubic root of 51272595 is about 371.5025218001.

The spelling of 51272595 in words is "fifty-one million, two hundred seventy-two thousand, five hundred ninety-five".