53690964 has 24 divisors (see below), whose sum is σ = 132648768. Its totient is φ = 16844160.

The previous prime is 53690953. The next prime is 53690983. The reversal of 53690964 is 46909635.

It is a super-3 number, since 3×53690964³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131392 + ... + 131799.

It is an arithmetic number, because the mean of its divisors is an integer number (5527032).

Almost surely, 2^53690964 is an apocalyptic number.

It is an amenable number.

53690964 is an abundant number, since it is smaller than the sum of its proper divisors (78957804).

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

53690964 is a wasteful number, since it uses less digits than its factorization.

53690964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263215 (or 263213 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 53690964 is about 7327.4118213732. The cubic root of 53690964 is about 377.2538962858.

The spelling of 53690964 in words is "fifty-three million, six hundred ninety thousand, nine hundred sixty-four".