53315406 has 24 divisors (see below), whose sum is σ = 121597320. Its totient is φ = 16836336.

The previous prime is 53315401. The next prime is 53315411. The reversal of 53315406 is 60451335.

It is an interprime number because it is at equal distance from previous prime (53315401) and next prime (53315411).

It is a self number, because there is not a number n which added to its sum of digits gives 53315406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53315401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77605 + ... + 78288.

It is an arithmetic number, because the mean of its divisors is an integer number (5066555).

Almost surely, 2^53315406 is an apocalyptic number.

53315406 is an abundant number, since it is smaller than the sum of its proper divisors (68281914).

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

53315406 is a wasteful number, since it uses less digits than its factorization.

53315406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155920 (or 155917 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 53315406 is about 7301.7399296332. The cubic root of 53315406 is about 376.3722311595.

The spelling of 53315406 in words is "fifty-three million, three hundred fifteen thousand, four hundred six".