75228896556 has 48 divisors (see below), whose sum is σ = 212768599680. Its totient is φ = 22796634960.

The previous prime is 75228896489. The next prime is 75228896557. The reversal of 75228896556 is 65569882257.

75228896556 is a `hidden beast` number, since 7 + 52 + 28 + 8 + 9 + 6 + 556 = 666.

It is a super-2 number, since 2×75228896556² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 75228896493 and 75228896502.

It is not an unprimeable number, because it can be changed into a prime (75228896557) 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, 31660806 + ... + 31663181.

It is an arithmetic number, because the mean of its divisors is an integer number (4432679160).

Almost surely, 2^75228896556 is an apocalyptic number.

It is an amenable number.

75228896556 is an abundant number, since it is smaller than the sum of its proper divisors (137539703124).

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

75228896556 is a wasteful number, since it uses less digits than its factorization.

75228896556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63324011 (or 63324003 counting only the distinct ones).

The product of its digits is 72576000, while the sum is 63.

The spelling of 75228896556 in words is "seventy-five billion, two hundred twenty-eight million, eight hundred ninety-six thousand, five hundred fifty-six".