55630113 has 24 divisors (see below), whose sum is σ = 93180864. Its totient is φ = 28897440.

The previous prime is 55630111. The next prime is 55630117. The reversal of 55630113 is 31103655.

It is not a de Polignac number, because 55630113 - 2¹ = 55630111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55630111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8406 + ... + 13487.

It is an arithmetic number, because the mean of its divisors is an integer number (3882536).

Almost surely, 2^55630113 is an apocalyptic number.

It is an amenable number.

55630113 is a deficient number, since it is larger than the sum of its proper divisors (37550751).

55630113 is a wasteful number, since it uses less digits than its factorization.

55630113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21925 (or 21914 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 55630113 is about 7458.5597135104. The cubic root of 55630113 is about 381.7420318194.

Adding to 55630113 its reverse (31103655), we get a palindrome (86733768).

The spelling of 55630113 in words is "fifty-five million, six hundred thirty thousand, one hundred thirteen".