51755506 has 16 divisors (see below), whose sum is σ = 89148960. Its totient is φ = 22286880.

The previous prime is 51755503. The next prime is 51755537. The reversal of 51755506 is 60555715.

It is not an unprimeable number, because it can be changed into a prime (51755503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61491 + ... + 62326.

It is an arithmetic number, because the mean of its divisors is an integer number (5571810).

Almost surely, 2^51755506 is an apocalyptic number.

51755506 is a deficient number, since it is larger than the sum of its proper divisors (37393454).

51755506 is a wasteful number, since it uses less digits than its factorization.

51755506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123849.

The product of its (nonzero) digits is 26250, while the sum is 34.

The square root of 51755506 is about 7194.1299682449. The cubic root of 51755506 is about 372.6652114614.

It can be divided in two parts, 51 and 755506, that added together give a palindrome (755557).

The spelling of 51755506 in words is "fifty-one million, seven hundred fifty-five thousand, five hundred six".