75572227557 has 16 divisors (see below), whose sum is σ = 111963089280. Its totient is φ = 50379579936.

The previous prime is 75572227553. The next prime is 75572227561.

75572227557 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (75572227553) and next prime (75572227561).

It is not a de Polignac number, because 75572227557 - 2² = 75572227553 is a prime.

It is a super-2 number, since 2×75572227557² (a number of 23 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75572227553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1368088 + ... + 1422254.

It is an arithmetic number, because the mean of its divisors is an integer number (6997693080).

Almost surely, 2^75572227557 is an apocalyptic number.

It is an amenable number.

75572227557 is a deficient number, since it is larger than the sum of its proper divisors (36390861723).

75572227557 is a wasteful number, since it uses less digits than its factorization.

75572227557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105849 (or 105843 counting only the distinct ones).

The product of its digits is 12005000, while the sum is 54.

The spelling of 75572227557 in words is "seventy-five billion, five hundred seventy-two million, two hundred twenty-seven thousand, five hundred fifty-seven".