55857476231 has 8 divisors (see below), whose sum is σ = 56018991600. Its totient is φ = 55696024512.

The previous prime is 55857476209. The next prime is 55857476243. The reversal of 55857476231 is 13267475855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55857476231 - 2⁶ = 55857476167 is a prime.

It is a super-2 number, since 2×55857476231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55857476261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2168876 + ... + 2194478.

It is an arithmetic number, because the mean of its divisors is an integer number (7002373950).

Almost surely, 2^55857476231 is an apocalyptic number.

55857476231 is a deficient number, since it is larger than the sum of its proper divisors (161515369).

55857476231 is a wasteful number, since it uses less digits than its factorization.

55857476231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31825.

The product of its digits is 7056000, while the sum is 53.

The spelling of 55857476231 in words is "fifty-five billion, eight hundred fifty-seven million, four hundred seventy-six thousand, two hundred thirty-one".