53997036 has 48 divisors (see below), whose sum is σ = 130636800. Its totient is φ = 17348032.

The previous prime is 53997019. The next prime is 53997059. The reversal of 53997036 is 63079935.

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, 36805 + ... + 38243.

It is an arithmetic number, because the mean of its divisors is an integer number (2721600).

Almost surely, 2^53997036 is an apocalyptic number.

It is an amenable number.

53997036 is an abundant number, since it is smaller than the sum of its proper divisors (76639764).

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

53997036 is a wasteful number, since it uses less digits than its factorization.

53997036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558 (or 1556 counting only the distinct ones).

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 53997036 is about 7348.2675509265. The cubic root of 53997036 is about 377.9693992753.

The spelling of 53997036 in words is "fifty-three million, nine hundred ninety-seven thousand, thirty-six".