53608457 has 4 divisors (see below), whose sum is σ = 61266816. Its totient is φ = 45950100.

The previous prime is 53608453. The next prime is 53608459. The reversal of 53608457 is 75480635.

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 not a de Polignac number, because 53608457 - 2² = 53608453 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53608457.

It is not an unprimeable number, because it can be changed into a prime (53608453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3829169 + ... + 3829182.

It is an arithmetic number, because the mean of its divisors is an integer number (15316704).

Almost surely, 2^53608457 is an apocalyptic number.

It is an amenable number.

53608457 is a deficient number, since it is larger than the sum of its proper divisors (7658359).

53608457 is an equidigital number, since it uses as much as digits as its factorization.

53608457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7658358.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 53608457 is about 7321.7796333951. The cubic root of 53608457 is about 377.0605549712.

The spelling of 53608457 in words is "fifty-three million, six hundred eight thousand, four hundred fifty-seven".