53315405 has 16 divisors (see below), whose sum is σ = 75164544. Its totient is φ = 35791680.

The previous prime is 53315401. The next prime is 53315411. The reversal of 53315405 is 50451335.

It is not a de Polignac number, because 53315405 - 2² = 53315401 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 36569 + ... + 37998.

It is an arithmetic number, because the mean of its divisors is an integer number (4697784).

Almost surely, 2^53315405 is an apocalyptic number.

53315405 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53315405 is a deficient number, since it is larger than the sum of its proper divisors (21849139).

53315405 is a wasteful number, since it uses less digits than its factorization.

53315405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74596.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 53315405 is about 7301.7398611564. The cubic root of 53315405 is about 376.3722288064.

The spelling of 53315405 in words is "fifty-three million, three hundred fifteen thousand, four hundred five".