75550828464 has 40 divisors (see below), whose sum is σ = 216858860720. Its totient is φ = 25183609344.

The previous prime is 75550828439. The next prime is 75550828489. The reversal of 75550828464 is 46482805557.

75550828464 is a `hidden beast` number, since 7 + 5 + 550 + 8 + 2 + 84 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (75550828439) and next prime (75550828489).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 75550828464.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87442657 + ... + 87443520.

It is an arithmetic number, because the mean of its divisors is an integer number (5421471518).

Almost surely, 2^75550828464 is an apocalyptic number.

It is an amenable number.

75550828464 is an abundant number, since it is smaller than the sum of its proper divisors (141308032256).

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

75550828464 is a wasteful number, since it uses less digits than its factorization.

75550828464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174886194 (or 174886182 counting only the distinct ones).

The product of its (nonzero) digits is 10752000, while the sum is 54.

The spelling of 75550828464 in words is "seventy-five billion, five hundred fifty million, eight hundred twenty-eight thousand, four hundred sixty-four".