51502542 has 32 divisors (see below), whose sum is σ = 126776832. Its totient is φ = 13582944.

The previous prime is 51502541. The next prime is 51502567. The reversal of 51502542 is 24520515.

It is a happy number.

It is a super-3 number, since 3×51502542³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51502541) 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, 46618 + ... + 47709.

It is an arithmetic number, because the mean of its divisors is an integer number (3961776).

Almost surely, 2^51502542 is an apocalyptic number.

51502542 is an abundant number, since it is smaller than the sum of its proper divisors (75274290).

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

51502542 is a wasteful number, since it uses less digits than its factorization.

51502542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94352.

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 51502542 is about 7176.5271545505. The cubic root of 51502542 is about 372.0570643180.

The spelling of 51502542 in words is "fifty-one million, five hundred two thousand, five hundred forty-two".