55637313 has 8 divisors (see below), whose sum is σ = 75908448. Its totient is φ = 36228864.

The previous prime is 55637291. The next prime is 55637327. The reversal of 55637313 is 31373655.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 55637313 - 2¹² = 55633217 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55637363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215520 + ... + 215777.

It is an arithmetic number, because the mean of its divisors is an integer number (9488556).

Almost surely, 2^55637313 is an apocalyptic number.

It is an amenable number.

55637313 is a deficient number, since it is larger than the sum of its proper divisors (20271135).

55637313 is a wasteful number, since it uses less digits than its factorization.

55637313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431343.

The product of its digits is 28350, while the sum is 33.

The square root of 55637313 is about 7459.0423648080. The cubic root of 55637313 is about 381.7585002625.

The spelling of 55637313 in words is "fifty-five million, six hundred thirty-seven thousand, three hundred thirteen".