51983542 has 16 divisors (see below), whose sum is σ = 87625440. Its totient is φ = 22948992.

The previous prime is 51983537. The next prime is 51983579. The reversal of 51983542 is 24538915.

51983542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42867 + ... + 44062.

It is an arithmetic number, because the mean of its divisors is an integer number (5476590).

Almost surely, 2^51983542 is an apocalyptic number.

51983542 is a deficient number, since it is larger than the sum of its proper divisors (35641898).

51983542 is a wasteful number, since it uses less digits than its factorization.

51983542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86967.

The product of its digits is 43200, while the sum is 37.

The square root of 51983542 is about 7209.9613036410. The cubic root of 51983542 is about 373.2117335339.

It can be divided in two parts, 51983 and 542, that added together give a palindrome (52525).

The spelling of 51983542 in words is "fifty-one million, nine hundred eighty-three thousand, five hundred forty-two".