55601013 has 8 divisors (see below), whose sum is σ = 79837408. Its totient is φ = 34215984.

The previous prime is 55601003. The next prime is 55601027. The reversal of 55601013 is 31010655.

It is a happy number.

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

It is not a de Polignac number, because 55601013 - 2⁴ = 55600997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55601003) 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, 712795 + ... + 712872.

It is an arithmetic number, because the mean of its divisors is an integer number (9979676).

Almost surely, 2^55601013 is an apocalyptic number.

It is an amenable number.

55601013 is a deficient number, since it is larger than the sum of its proper divisors (24236395).

55601013 is a wasteful number, since it uses less digits than its factorization.

55601013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1425683.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 55601013 is about 7456.6086795540. The cubic root of 55601013 is about 381.6754573805.

Adding to 55601013 its reverse (31010655), we get a palindrome (86611668).

The spelling of 55601013 in words is "fifty-five million, six hundred one thousand, thirteen".