51300535 has 32 divisors (see below), whose sum is σ = 72942912. Its totient is φ = 34145280.

The previous prime is 51300533. The next prime is 51300539. The reversal of 51300535 is 53500315.

It is a happy number.

It is not a de Polignac number, because 51300535 - 2¹ = 51300533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51300533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 112027 + ... + 112483.

It is an arithmetic number, because the mean of its divisors is an integer number (2279466).

Almost surely, 2^51300535 is an apocalyptic number.

51300535 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51300535 is a deficient number, since it is larger than the sum of its proper divisors (21642377).

51300535 is a wasteful number, since it uses less digits than its factorization.

51300535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 1125, while the sum is 22.

The square root of 51300535 is about 7162.4391794974. The cubic root of 51300535 is about 371.5699905626.

The spelling of 51300535 in words is "fifty-one million, three hundred thousand, five hundred thirty-five".