55153599 has 8 divisors (see below), whose sum is σ = 77408640. Its totient is φ = 34833816.

The previous prime is 55153591. The next prime is 55153601. The reversal of 55153599 is 99535155.

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

It is not a de Polignac number, because 55153599 - 2³ = 55153591 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55153599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55153591) 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, 483747 + ... + 483860.

It is an arithmetic number, because the mean of its divisors is an integer number (9676080).

Almost surely, 2^55153599 is an apocalyptic number.

55153599 is a deficient number, since it is larger than the sum of its proper divisors (22255041).

55153599 is a wasteful number, since it uses less digits than its factorization.

55153599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 967629.

The product of its digits is 151875, while the sum is 42.

The square root of 55153599 is about 7426.5469095671. The cubic root of 55153599 is about 380.6489350271.

The spelling of 55153599 in words is "fifty-five million, one hundred fifty-three thousand, five hundred ninety-nine".