55910344442557 has 16 divisors (see below), whose sum is σ = 66274339461120. Its totient is φ = 46599144922800.

The previous prime is 55910344442551. The next prime is 55910344442567. The reversal of 55910344442557 is 75524444301955.

It is a cyclic number.

It is not a de Polignac number, because 55910344442557 - 2¹⁵ = 55910344409789 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 (55910344442551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4314729163 + ... + 4314742120.

It is an arithmetic number, because the mean of its divisors is an integer number (4142146216320).

Almost surely, 2^{55910344442557} is an apocalyptic number.

It is an amenable number.

55910344442557 is a deficient number, since it is larger than the sum of its proper divisors (10363995018563).

55910344442557 is a wasteful number, since it uses less digits than its factorization.

55910344442557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8629471344.

The product of its (nonzero) digits is 60480000, while the sum is 58.

The spelling of 55910344442557 in words is "fifty-five trillion, nine hundred ten billion, three hundred forty-four million, four hundred forty-two thousand, five hundred fifty-seven".