55456542673501 has 4 divisors (see below), whose sum is σ = 55459140556032. Its totient is φ = 55453944790972.

The previous prime is 55456542673487. The next prime is 55456542673507. The reversal of 55456542673501 is 10537624565455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55456542673501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55456542673507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1298909245 + ... + 1298951938.

It is an arithmetic number, because the mean of its divisors is an integer number (13864785139008).

Almost surely, 2^{55456542673501} is an apocalyptic number.

It is an amenable number.

55456542673501 is a deficient number, since it is larger than the sum of its proper divisors (2597882531).

55456542673501 is a wasteful number, since it uses less digits than its factorization.

55456542673501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2597882530.

The product of its (nonzero) digits is 75600000, while the sum is 58.

The spelling of 55456542673501 in words is "fifty-five trillion, four hundred fifty-six billion, five hundred forty-two million, six hundred seventy-three thousand, five hundred one".