55512606454 has 4 divisors (see below), whose sum is σ = 83268909684. Its totient is φ = 27756303226.

The previous prime is 55512606431. The next prime is 55512606503. The reversal of 55512606454 is 45460621555.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 55512606454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13878151612 + ... + 13878151615.

It is an arithmetic number, because the mean of its divisors is an integer number (20817227421).

Almost surely, 2^55512606454 is an apocalyptic number.

55512606454 is a deficient number, since it is larger than the sum of its proper divisors (27756303230).

55512606454 is a wasteful number, since it uses less digits than its factorization.

55512606454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27756303229.

The product of its (nonzero) digits is 720000, while the sum is 43.

The spelling of 55512606454 in words is "fifty-five billion, five hundred twelve million, six hundred six thousand, four hundred fifty-four".