75555325 has 12 divisors (see below), whose sum is σ = 94165600. Its totient is φ = 60136560.

The previous prime is 75555323. The next prime is 75555329. The reversal of 75555325 is 52355557.

It is not a de Polignac number, because 75555325 - 2¹ = 75555323 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75555323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2619 + ... + 12568.

Almost surely, 2^75555325 is an apocalyptic number.

It is an amenable number.

75555325 is a deficient number, since it is larger than the sum of its proper divisors (18610275).

75555325 is a wasteful number, since it uses less digits than its factorization.

75555325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15396 (or 15391 counting only the distinct ones).

The product of its digits is 131250, while the sum is 37.

The square root of 75555325 is about 8692.2566114905. The cubic root of 75555325 is about 422.7546170170.

It can be divided in two parts, 7555 and 5325, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 75555325 in words is "seventy-five million, five hundred fifty-five thousand, three hundred twenty-five".