53606913 has 4 divisors (see below), whose sum is σ = 71475888. Its totient is φ = 35737940.

The previous prime is 53606909. The next prime is 53606921. The reversal of 53606913 is 31960635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53606913 - 2² = 53606909 is a prime.

It is a super-2 number, since 2×53606913² = 5747402242779138, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53606713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8934483 + ... + 8934488.

It is an arithmetic number, because the mean of its divisors is an integer number (17868972).

Almost surely, 2^53606913 is an apocalyptic number.

It is an amenable number.

53606913 is a deficient number, since it is larger than the sum of its proper divisors (17868975).

53606913 is a wasteful number, since it uses less digits than its factorization.

53606913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17868974.

The product of its (nonzero) digits is 14580, while the sum is 33.

The square root of 53606913 is about 7321.6741937893. The cubic root of 53606913 is about 377.0569349759.

The spelling of 53606913 in words is "fifty-three million, six hundred six thousand, nine hundred thirteen".