51542360 has 16 divisors (see below), whose sum is σ = 115970400. Its totient is φ = 20616928.

The previous prime is 51542357. The next prime is 51542389. The reversal of 51542360 is 6324515.

It is a super-2 number, since 2×51542360² = 5313229748739200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644240 + ... + 644319.

It is an arithmetic number, because the mean of its divisors is an integer number (7248150).

Almost surely, 2^51542360 is an apocalyptic number.

It is an amenable number.

51542360 is an abundant number, since it is smaller than the sum of its proper divisors (64428040).

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

51542360 is a wasteful number, since it uses less digits than its factorization.

51542360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288570 (or 1288566 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 51542360 is about 7179.3008016101. The cubic root of 51542360 is about 372.1529220589.

Adding to 51542360 its reverse (6324515), we get a palindrome (57866875).

It can be divided in two parts, 515 and 42360, that added together give a cube (42875 = 35³).

The spelling of 51542360 in words is "fifty-one million, five hundred forty-two thousand, three hundred sixty".