55177431801 has 8 divisors (see below), whose sum is σ = 73571106240. Its totient is φ = 36784355952.

The previous prime is 55177431787. The next prime is 55177431857. The reversal of 55177431801 is 10813477155.

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

It is not a de Polignac number, because 55177431801 - 2¹⁴ = 55177415417 is a prime.

It is a super-2 number, since 2×55177431801² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55177431401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152716 + ... + 365618.

It is an arithmetic number, because the mean of its divisors is an integer number (9196388280).

Almost surely, 2^55177431801 is an apocalyptic number.

It is an amenable number.

55177431801 is a deficient number, since it is larger than the sum of its proper divisors (18393674439).

55177431801 is a wasteful number, since it uses less digits than its factorization.

55177431801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299295.

The product of its (nonzero) digits is 117600, while the sum is 42.

The spelling of 55177431801 in words is "fifty-five billion, one hundred seventy-seven million, four hundred thirty-one thousand, eight hundred one".