51848538 has 32 divisors (see below), whose sum is σ = 125483904. Its totient is φ = 13942272.

The previous prime is 51848527. The next prime is 51848539. The reversal of 51848538 is 83584815.

51848538 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 51848538.

It is not an unprimeable number, because it can be changed into a prime (51848539) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35595 + ... + 37022.

It is an arithmetic number, because the mean of its divisors is an integer number (3921372).

Almost surely, 2^51848538 is an apocalyptic number.

51848538 is an abundant number, since it is smaller than the sum of its proper divisors (73635366).

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

51848538 is a wasteful number, since it uses less digits than its factorization.

51848538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72646.

The product of its digits is 153600, while the sum is 42.

The square root of 51848538 is about 7200.5928922555. The cubic root of 51848538 is about 372.8883699234. Note that the first 3 decimals are identical.

The spelling of 51848538 in words is "fifty-one million, eight hundred forty-eight thousand, five hundred thirty-eight".