55300631 has 8 divisors (see below), whose sum is σ = 56005344. Its totient is φ = 54599200.

The previous prime is 55300613. The next prime is 55300633. The reversal of 55300631 is 13600355.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55300631 is a prime.

It is a super-2 number, since 2×55300631² = 6116319577996322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55300597 and 55300606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55300633) 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, 55766 + ... + 56748.

It is an arithmetic number, because the mean of its divisors is an integer number (7000668).

Almost surely, 2^55300631 is an apocalyptic number.

55300631 is a deficient number, since it is larger than the sum of its proper divisors (704713).

55300631 is a wasteful number, since it uses less digits than its factorization.

55300631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 55300631 is about 7436.4394033704. The cubic root of 55300631 is about 380.9868876707.

Adding to 55300631 its reverse (13600355), we get a palindrome (68900986).

The spelling of 55300631 in words is "fifty-five million, three hundred thousand, six hundred thirty-one".