75005578050 has 48 divisors (see below), whose sum is σ = 200322595200. Its totient is φ = 18462911040.

The previous prime is 75005578049. The next prime is 75005578177. The reversal of 75005578050 is 5087550057.

It is a happy number.

It is a super-2 number, since 2×75005578050² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75005577993 and 75005578011.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19230250 + ... + 19234149.

It is an arithmetic number, because the mean of its divisors is an integer number (4173387400).

Almost surely, 2^75005578050 is an apocalyptic number.

75005578050 is an abundant number, since it is smaller than the sum of its proper divisors (125317017150).

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

75005578050 is a wasteful number, since it uses less digits than its factorization.

75005578050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38464427 (or 38464422 counting only the distinct ones).

The product of its (nonzero) digits is 245000, while the sum is 42.

The spelling of 75005578050 in words is "seventy-five billion, five million, five hundred seventy-eight thousand, fifty".