75575272552 has 32 divisors (see below), whose sum is σ = 152824906080. Its totient is φ = 34830383040.

The previous prime is 75575272547. The next prime is 75575272559. The reversal of 75575272552 is 25527257557.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 75575272552.

It is not an unprimeable number, because it can be changed into a prime (75575272559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453958 + ... + 597685.

It is an arithmetic number, because the mean of its divisors is an integer number (4775778315).

Almost surely, 2^75575272552 is an apocalyptic number.

It is an amenable number.

75575272552 is an abundant number, since it is smaller than the sum of its proper divisors (77249633528).

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

75575272552 is a wasteful number, since it uses less digits than its factorization.

75575272552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1052353 (or 1052349 counting only the distinct ones).

The product of its digits is 8575000, while the sum is 52.

The spelling of 75575272552 in words is "seventy-five billion, five hundred seventy-five million, two hundred seventy-two thousand, five hundred fifty-two".