75325455 has 24 divisors (see below), whose sum is σ = 133031808. Its totient is φ = 39414336.

The previous prime is 75325433. The next prime is 75325457. The reversal of 75325455 is 55452357.

It is not a de Polignac number, because 75325455 - 2¹¹ = 75323407 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75325457) 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 23 ways as a sum of consecutive naturals, for example, 13407 + ... + 18176.

It is an arithmetic number, because the mean of its divisors is an integer number (5542992).

Almost surely, 2^75325455 is an apocalyptic number.

75325455 is a deficient number, since it is larger than the sum of its proper divisors (57706353).

75325455 is a wasteful number, since it uses less digits than its factorization.

75325455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31647 (or 31644 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 75325455 is about 8679.0238506413. The cubic root of 75325455 is about 422.3254510472.

The spelling of 75325455 in words is "seventy-five million, three hundred twenty-five thousand, four hundred fifty-five".