56555054357 has 4 divisors (see below), whose sum is σ = 56555684640. Its totient is φ = 56554424076.

The previous prime is 56555054293. The next prime is 56555054377. The reversal of 56555054357 is 75345055565.

56555054357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56555054357 - 2⁶ = 56555054293 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 (56555054377) 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, 152603 + ... + 369320.

It is an arithmetic number, because the mean of its divisors is an integer number (14138921160).

Almost surely, 2^56555054357 is an apocalyptic number.

It is an amenable number.

56555054357 is a deficient number, since it is larger than the sum of its proper divisors (630283).

56555054357 is a wasteful number, since it uses less digits than its factorization.

56555054357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 630282.

The product of its (nonzero) digits is 7875000, while the sum is 50.

The spelling of 56555054357 in words is "fifty-six billion, five hundred fifty-five million, fifty-four thousand, three hundred fifty-seven".