55870484670 has 768 divisors, whose sum is σ = 205141966848. Its totient is φ = 10564784640.

The previous prime is 55870484647. The next prime is 55870484693. The reversal of 55870484670 is 7648407855.

55870484670 is a `hidden beast` number, since 558 + 7 + 0 + 4 + 84 + 6 + 7 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (55870484647) and next prime (55870484693).

It is a super-2 number, since 2×55870484670² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 383 ways as a sum of consecutive naturals, for example, 250540179 + ... + 250540401.

It is an arithmetic number, because the mean of its divisors is an integer number (267111936).

Almost surely, 2^55870484670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55870484670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102570983424).

55870484670 is an abundant number, since it is smaller than the sum of its proper divisors (149271482178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55870484670 is a wasteful number, since it uses less digits than its factorization.

55870484670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 367 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 55870484670 in words is "fifty-five billion, eight hundred seventy million, four hundred eighty-four thousand, six hundred seventy".