75055400 has 48 divisors (see below), whose sum is σ = 199436640. Its totient is φ = 25732800.

The previous prime is 75055397. The next prime is 75055411. The reversal of 75055400 is 455057.

It is a self number, because there is not a number n which added to its sum of digits gives 75055400.

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, 25406 + ... + 28205.

It is an arithmetic number, because the mean of its divisors is an integer number (4154930).

Almost surely, 2^75055400 is an apocalyptic number.

75055400 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75055400 is an abundant number, since it is smaller than the sum of its proper divisors (124381240).

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

75055400 is a wasteful number, since it uses less digits than its factorization.

75055400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53634 (or 53625 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 75055400 is about 8663.4519678936. The cubic root of 75055400 is about 421.8201430272.

The spelling of 75055400 in words is "seventy-five million, fifty-five thousand, four hundred".