51502734 has 24 divisors (see below), whose sum is σ = 114186072. Its totient is φ = 16768080.

The previous prime is 51502733. The next prime is 51502739. The reversal of 51502734 is 43720515.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 51502698 and 51502707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51502733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32497 + ... + 34044.

It is an arithmetic number, because the mean of its divisors is an integer number (4757753).

Almost surely, 2^51502734 is an apocalyptic number.

51502734 is an abundant number, since it is smaller than the sum of its proper divisors (62683338).

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

51502734 is a wasteful number, since it uses less digits than its factorization.

51502734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66592 (or 66589 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 51502734 is about 7176.5405314817. The cubic root of 51502734 is about 372.0575266568.

The spelling of 51502734 in words is "fifty-one million, five hundred two thousand, seven hundred thirty-four".