55311100005 has 96 divisors (see below), whose sum is σ = 107983540224. Its totient is φ = 23670016128.

The previous prime is 55311100003. The next prime is 55311100027. The reversal of 55311100005 is 50000111355.

It is not a de Polignac number, because 55311100005 - 2¹ = 55311100003 is a prime.

It is a super-2 number, since 2×55311100005² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55311100003) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2600022 + ... + 2621208.

It is an arithmetic number, because the mean of its divisors is an integer number (1124828544).

Almost surely, 2^55311100005 is an apocalyptic number.

It is an amenable number.

55311100005 is a deficient number, since it is larger than the sum of its proper divisors (52672440219).

55311100005 is a wasteful number, since it uses less digits than its factorization.

55311100005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21295 (or 21272 counting only the distinct ones).

The product of its (nonzero) digits is 375, while the sum is 21.

The spelling of 55311100005 in words is "fifty-five billion, three hundred eleven million, one hundred thousand, five".