51535736 has 16 divisors (see below), whose sum is σ = 110433840. Its totient is φ = 22086720.

The previous prime is 51535703. The next prime is 51535739. The reversal of 51535736 is 63753515.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 51535696 and 51535705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51535739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460085 + ... + 460196.

It is an arithmetic number, because the mean of its divisors is an integer number (6902115).

Almost surely, 2^51535736 is an apocalyptic number.

51535736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

51535736 is an abundant number, since it is smaller than the sum of its proper divisors (58898104).

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

51535736 is a wasteful number, since it uses less digits than its factorization.

51535736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 920294 (or 920290 counting only the distinct ones).

The product of its digits is 47250, while the sum is 35.

The square root of 51535736 is about 7178.8394605256. The cubic root of 51535736 is about 372.1369788841.

The spelling of 51535736 in words is "fifty-one million, five hundred thirty-five thousand, seven hundred thirty-six".