55857888875854 has 32 divisors (see below), whose sum is σ = 90330166080000. Its totient is φ = 25752518002944.

The previous prime is 55857888875849. The next prime is 55857888875879. The reversal of 55857888875854 is 45857888875855.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156938707 + ... + 157294225.

It is an arithmetic number, because the mean of its divisors is an integer number (2822817690000).

Almost surely, 2^{55857888875854} is an apocalyptic number.

55857888875854 is a deficient number, since it is larger than the sum of its proper divisors (34472277204146).

55857888875854 is a wasteful number, since it uses less digits than its factorization.

55857888875854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362092.

The product of its digits is 160563200000, while the sum is 91.

Subtracting from 55857888875854 its reverse (45857888875855), we obtain a palindrome (9999999999999).

The spelling of 55857888875854 in words is "fifty-five trillion, eight hundred fifty-seven billion, eight hundred eighty-eight million, eight hundred seventy-five thousand, eight hundred fifty-four".