53771874 has 16 divisors (see below), whose sum is σ = 115816512. Its totient is φ = 16545168.

The previous prime is 53771863. The next prime is 53771891. The reversal of 53771874 is 47817735.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 344614 + ... + 344769.

It is an arithmetic number, because the mean of its divisors is an integer number (7238532).

Almost surely, 2^53771874 is an apocalyptic number.

53771874 is an abundant number, since it is smaller than the sum of its proper divisors (62044638).

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

53771874 is a wasteful number, since it uses less digits than its factorization.

53771874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689401.

The product of its digits is 164640, while the sum is 42.

The square root of 53771874 is about 7332.9307919822. The cubic root of 53771874 is about 377.4433030357.

It can be divided in two parts, 53771 and 874, that added together give a palindrome (54645).

The spelling of 53771874 in words is "fifty-three million, seven hundred seventy-one thousand, eight hundred seventy-four".