75275055 has 32 divisors (see below), whose sum is σ = 140870400. Its totient is φ = 38032416.

The previous prime is 75275051. The next prime is 75275087. The reversal of 75275055 is 55057257.

It is not a de Polignac number, because 75275055 - 2² = 75275051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75275051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12109 + ... + 17238.

It is an arithmetic number, because the mean of its divisors is an integer number (4402200).

Almost surely, 2^75275055 is an apocalyptic number.

75275055 is a deficient number, since it is larger than the sum of its proper divisors (65595345).

75275055 is a wasteful number, since it uses less digits than its factorization.

75275055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29380 (or 29374 counting only the distinct ones).

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

The square root of 75275055 is about 8676.1198124507. The cubic root of 75275055 is about 422.2312378679.

The spelling of 75275055 in words is "seventy-five million, two hundred seventy-five thousand, fifty-five".