51652887 has 32 divisors (see below), whose sum is σ = 85182720. Its totient is φ = 27371520.

The previous prime is 51652873. The next prime is 51652889. The reversal of 51652887 is 78825615.

It is not a de Polignac number, because 51652887 - 2⁷ = 51652759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51652889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4983 + ... + 11319.

It is an arithmetic number, because the mean of its divisors is an integer number (2661960).

Almost surely, 2^51652887 is an apocalyptic number.

51652887 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

51652887 is a deficient number, since it is larger than the sum of its proper divisors (33529833).

51652887 is a wasteful number, since it uses less digits than its factorization.

51652887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6383.

The product of its digits is 134400, while the sum is 42.

The square root of 51652887 is about 7186.9942952531. The cubic root of 51652887 is about 372.4187459966.

It can be divided in two parts, 516528 and 87, that added together give a palindrome (516615).

The spelling of 51652887 in words is "fifty-one million, six hundred fifty-two thousand, eight hundred eighty-seven".