53404156 has 12 divisors (see below), whose sum is σ = 100646392. Its totient is φ = 24648048.

The previous prime is 53404147. The next prime is 53404163. The reversal of 53404156 is 65140435.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 513450 + ... + 513553.

Almost surely, 2^53404156 is an apocalyptic number.

It is an amenable number.

53404156 is a deficient number, since it is larger than the sum of its proper divisors (47242236).

53404156 is a wasteful number, since it uses less digits than its factorization.

53404156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027020 (or 1027018 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 53404156 is about 7307.8147212419. The cubic root of 53404156 is about 376.5809545578.

The spelling of 53404156 in words is "fifty-three million, four hundred four thousand, one hundred fifty-six".