53980965 has 64 divisors (see below), whose sum is σ = 100465920. Its totient is φ = 27475200.

The previous prime is 53980847. The next prime is 53980973. The reversal of 53980965 is 56908935.

It is not a de Polignac number, because 53980965 - 2⁷ = 53980837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 53980965.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 504442 + ... + 504548.

It is an arithmetic number, because the mean of its divisors is an integer number (1569780).

Almost surely, 2^53980965 is an apocalyptic number.

It is an amenable number.

53980965 is a deficient number, since it is larger than the sum of its proper divisors (46484955).

53980965 is a wasteful number, since it uses less digits than its factorization.

53980965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 45.

The square root of 53980965 is about 7347.1739464913. The cubic root of 53980965 is about 377.9318975320.

It can be divided in two parts, 53980 and 965, that added together give a palindrome (54945).

The spelling of 53980965 in words is "fifty-three million, nine hundred eighty thousand, nine hundred sixty-five".