53879766 has 32 divisors (see below), whose sum is σ = 116536320. Its totient is φ = 16542336.

The previous prime is 53879759. The next prime is 53879779. The reversal of 53879766 is 66797835.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826 + ... + 10413.

It is an arithmetic number, because the mean of its divisors is an integer number (3641760).

Almost surely, 2^53879766 is an apocalyptic number.

53879766 is an abundant number, since it is smaller than the sum of its proper divisors (62656554).

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

53879766 is a wasteful number, since it uses less digits than its factorization.

53879766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11308.

The product of its digits is 1905120, while the sum is 51.

The square root of 53879766 is about 7340.2837819801. The cubic root of 53879766 is about 377.6955780852.

It can be divided in two parts, 53879 and 766, that added together give a palindrome (54645).

The spelling of 53879766 in words is "fifty-three million, eight hundred seventy-nine thousand, seven hundred sixty-six".