51375255 has 16 divisors (see below), whose sum is σ = 84206304. Its totient is φ = 26731520.

The previous prime is 51375251. The next prime is 51375263. The reversal of 51375255 is 55257315.

It is not a de Polignac number, because 51375255 - 2² = 51375251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51375251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41154 + ... + 42383.

It is an arithmetic number, because the mean of its divisors is an integer number (5262894).

Almost surely, 2^51375255 is an apocalyptic number.

51375255 is a deficient number, since it is larger than the sum of its proper divisors (32831049).

51375255 is a wasteful number, since it uses less digits than its factorization.

51375255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83586.

The product of its digits is 26250, while the sum is 33.

The square root of 51375255 is about 7167.6533816864. The cubic root of 51375255 is about 371.7503021401.

The spelling of 51375255 in words is "fifty-one million, three hundred seventy-five thousand, two hundred fifty-five".