55528013523 has 8 divisors (see below), whose sum is σ = 76590363600. Its totient is φ = 35742169568.

The previous prime is 55528013491. The next prime is 55528013543. The reversal of 55528013523 is 32531082555.

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 55528013523 - 2⁵ = 55528013491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55528013543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319126428 + ... + 319126601.

It is an arithmetic number, because the mean of its divisors is an integer number (9573795450).

Almost surely, 2^55528013523 is an apocalyptic number.

55528013523 is a deficient number, since it is larger than the sum of its proper divisors (21062350077).

55528013523 is a wasteful number, since it uses less digits than its factorization.

55528013523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638253061.

The product of its (nonzero) digits is 180000, while the sum is 39.

The spelling of 55528013523 in words is "fifty-five billion, five hundred twenty-eight million, thirteen thousand, five hundred twenty-three".