75257055 has 12 divisors (see below), whose sum is σ = 130445640. Its totient is φ = 40137072.

The previous prime is 75257027. The next prime is 75257071. The reversal of 75257055 is 55075257.

It is not a de Polignac number, because 75257055 - 2¹¹ = 75255007 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 836145 + ... + 836234.

It is an arithmetic number, because the mean of its divisors is an integer number (10870470).

Almost surely, 2^75257055 is an apocalyptic number.

75257055 is a deficient number, since it is larger than the sum of its proper divisors (55188585).

75257055 is a wasteful number, since it uses less digits than its factorization.

75257055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672390 (or 1672387 counting only the distinct ones).

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

The square root of 75257055 is about 8675.0824203577. The cubic root of 75257055 is about 422.1975801126.

The spelling of 75257055 in words is "seventy-five million, two hundred fifty-seven thousand, fifty-five".