55521012153 has 8 divisors (see below), whose sum is σ = 74403793728. Its totient is φ = 36826119344.

The previous prime is 55521012109. The next prime is 55521012191. The reversal of 55521012153 is 35121012555.

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

It is a cyclic number.

It is not a de Polignac number, because 55521012153 - 2⁹ = 55521011641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55521012153.

It is not an unprimeable number, because it can be changed into a prime (55521012653) 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, 46971501 + ... + 46972682.

It is an arithmetic number, because the mean of its divisors is an integer number (9300474216).

Almost surely, 2^55521012153 is an apocalyptic number.

It is an amenable number.

55521012153 is a deficient number, since it is larger than the sum of its proper divisors (18882781575).

55521012153 is a wasteful number, since it uses less digits than its factorization.

55521012153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93944383.

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 55521012153 in words is "fifty-five billion, five hundred twenty-one million, twelve thousand, one hundred fifty-three".