53020918 has 8 divisors (see below), whose sum is σ = 80112312. Its totient is φ = 26316816.

The previous prime is 53020907. The next prime is 53020921. The reversal of 53020918 is 81902035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×53020918² = 5622435491125448, 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 3 ways as a sum of consecutive naturals, for example, 96480 + ... + 97027.

It is an arithmetic number, because the mean of its divisors is an integer number (10014039).

Almost surely, 2^53020918 is an apocalyptic number.

53020918 is a deficient number, since it is larger than the sum of its proper divisors (27091394).

53020918 is a wasteful number, since it uses less digits than its factorization.

53020918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193646.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 53020918 is about 7281.5464016924. The cubic root of 53020918 is about 375.6779865230.

The spelling of 53020918 in words is "fifty-three million, twenty thousand, nine hundred eighteen".