55552313 has 8 divisors (see below), whose sum is σ = 58327680. Its totient is φ = 52834320.

The previous prime is 55552309. The next prime is 55552319. The reversal of 55552313 is 31325555.

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

It is a cyclic number.

It is not a de Polignac number, because 55552313 - 2² = 55552309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55552319) 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, 12353 + ... + 16238.

It is an arithmetic number, because the mean of its divisors is an integer number (7290960).

Almost surely, 2^55552313 is an apocalyptic number.

It is an amenable number.

55552313 is a deficient number, since it is larger than the sum of its proper divisors (2775367).

55552313 is a wasteful number, since it uses less digits than its factorization.

55552313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28687.

The product of its digits is 11250, while the sum is 29.

The square root of 55552313 is about 7453.3424045860. The cubic root of 55552313 is about 381.5639904410.

Adding to 55552313 its reverse (31325555), we get a palindrome (86877868).

The spelling of 55552313 in words is "fifty-five million, five hundred fifty-two thousand, three hundred thirteen".