57620113 has 4 divisors (see below), whose sum is σ = 58267620. Its totient is φ = 56972608.

The previous prime is 57620107. The next prime is 57620119. The reversal of 57620113 is 31102675.

57620113 = 5367² + 5368².

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (57620107) and next prime (57620119).

It can be written as a sum of positive squares in 2 ways, for example, as 28804689 + 28815424 = 5367^2 + 5368^2 .

It is a cyclic number.

It is not a de Polignac number, because 57620113 - 2⁵ = 57620081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57620119) 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, 323620 + ... + 323797.

It is an arithmetic number, because the mean of its divisors is an integer number (14566905).

Almost surely, 2^57620113 is an apocalyptic number.

57620113 is the 5368-th centered square number.

It is an amenable number.

57620113 is a deficient number, since it is larger than the sum of its proper divisors (647507).

57620113 is an equidigital number, since it uses as much as digits as its factorization.

57620113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647506.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 57620113 is about 7590.7913289722. The cubic root of 57620113 is about 386.2406997408.

Adding to 57620113 its reverse (31102675), we get a palindrome (88722788).

The spelling of 57620113 in words is "fifty-seven million, six hundred twenty thousand, one hundred thirteen".