55210571001 has 16 divisors (see below), whose sum is σ = 81799173120. Its totient is φ = 36804466800.

The previous prime is 55210570969. The next prime is 55210571027. The reversal of 55210571001 is 10017501255.

55210571001 is a `hidden beast` number, since 552 + 1 + 0 + 5 + 7 + 100 + 1 = 666.

It is not a de Polignac number, because 55210571001 - 2⁵ = 55210570969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55210571081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370051 + ... + 497351.

It is an arithmetic number, because the mean of its divisors is an integer number (5112448320).

Almost surely, 2^55210571001 is an apocalyptic number.

It is an amenable number.

55210571001 is a deficient number, since it is larger than the sum of its proper divisors (26588602119).

55210571001 is a wasteful number, since it uses less digits than its factorization.

55210571001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143373 (or 143367 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 27.

The spelling of 55210571001 in words is "fifty-five billion, two hundred ten million, five hundred seventy-one thousand, one".