53490964 has 18 divisors (see below), whose sum is σ = 96954494. Its totient is φ = 25821600.

The previous prime is 53490917. The next prime is 53490973. The reversal of 53490964 is 46909435.

It can be written as a sum of positive squares in 3 ways, for example, as 25928464 + 27562500 = 5092^2 + 5250^2 .

It is a super-2 number, since 2×53490964² = 5722566459298592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4587 + ... + 11314.

Almost surely, 2^53490964 is an apocalyptic number.

It is an amenable number.

53490964 is a deficient number, since it is larger than the sum of its proper divisors (43463530).

53490964 is a wasteful number, since it uses less digits than its factorization.

53490964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15963 (or 15932 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 40.

The square root of 53490964 is about 7313.7517048366. The cubic root of 53490964 is about 376.7848871438.

The spelling of 53490964 in words is "fifty-three million, four hundred ninety thousand, nine hundred sixty-four".