55451620510523 has 8 divisors (see below), whose sum is σ = 55458206651520. Its totient is φ = 55445034770560.

The previous prime is 55451620510469. The next prime is 55451620510591. The reversal of 55451620510523 is 32501502615455.

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 55451620510523 - 2³⁴ = 55434440641339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55451620510123) 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, 342278483 + ... + 342440451.

It is an arithmetic number, because the mean of its divisors is an integer number (6932275831440).

Almost surely, 2^{55451620510523} is an apocalyptic number.

55451620510523 is a deficient number, since it is larger than the sum of its proper divisors (6586140997).

55451620510523 is a wasteful number, since it uses less digits than its factorization.

55451620510523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200517.

The product of its (nonzero) digits is 900000, while the sum is 44.

The spelling of 55451620510523 in words is "fifty-five trillion, four hundred fifty-one billion, six hundred twenty million, five hundred ten thousand, five hundred twenty-three".