55113607 has 4 divisors (see below), whose sum is σ = 55129536. Its totient is φ = 55097680.

The previous prime is 55113599. The next prime is 55113631. The reversal of 55113607 is 70631155.

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

It is a cyclic number.

It is not a de Polignac number, because 55113607 - 2³ = 55113599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55110607) 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, 343 + ... + 10504.

It is an arithmetic number, because the mean of its divisors is an integer number (13782384).

Almost surely, 2^55113607 is an apocalyptic number.

55113607 is a deficient number, since it is larger than the sum of its proper divisors (15929).

55113607 is a wasteful number, since it uses less digits than its factorization.

55113607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15928.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 55113607 is about 7423.8539182826. The cubic root of 55113607 is about 380.5569096449.

The spelling of 55113607 in words is "fifty-five million, one hundred thirteen thousand, six hundred seven".