55515533001 has 8 divisors (see below), whose sum is σ = 75742122720. Its totient is φ = 36149649312.

The previous prime is 55515532993. The next prime is 55515533009. The reversal of 55515533001 is 10033551555.

It is an interprime number because it is at equal distance from previous prime (55515532993) and next prime (55515533009).

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

It is not a de Polignac number, because 55515533001 - 2³ = 55515532993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55515533009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215176356 + ... + 215176613.

It is an arithmetic number, because the mean of its divisors is an integer number (9467765340).

Almost surely, 2^55515533001 is an apocalyptic number.

It is an amenable number.

55515533001 is a deficient number, since it is larger than the sum of its proper divisors (20226589719).

55515533001 is a wasteful number, since it uses less digits than its factorization.

55515533001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430353015.

The product of its (nonzero) digits is 28125, while the sum is 33.

The spelling of 55515533001 in words is "fifty-five billion, five hundred fifteen million, five hundred thirty-three thousand, one".