75572055 has 96 divisors (see below), whose sum is σ = 154728000. Its totient is φ = 34781184.

The previous prime is 75572051. The next prime is 75572069. The reversal of 75572055 is 55027557.

It is not a de Polignac number, because 75572055 - 2² = 75572051 is a prime.

It is a super-2 number, since 2×75572055² = 11422270993846050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75572051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 507121 + ... + 507269.

It is an arithmetic number, because the mean of its divisors is an integer number (1611750).

Almost surely, 2^75572055 is an apocalyptic number.

75572055 is an abundant number, since it is smaller than the sum of its proper divisors (79155945).

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

75572055 is a wasteful number, since it uses less digits than its factorization.

75572055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 187 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The square root of 75572055 is about 8693.2189090118. The cubic root of 75572055 is about 422.7858178304.

The spelling of 75572055 in words is "seventy-five million, five hundred seventy-two thousand, fifty-five".