75020055 has 32 divisors (see below), whose sum is σ = 131459328. Its totient is φ = 36230400.

The previous prime is 75020051. The next prime is 75020083. The reversal of 75020055 is 55002057.

It is not a de Polignac number, because 75020055 - 2² = 75020051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75020051) 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, 49915 + ... + 51395.

It is an arithmetic number, because the mean of its divisors is an integer number (4108104).

Almost surely, 2^75020055 is an apocalyptic number.

75020055 is a deficient number, since it is larger than the sum of its proper divisors (56439273).

75020055 is a wasteful number, since it uses less digits than its factorization.

75020055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807.

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 75020055 is about 8661.4118364156. The cubic root of 75020055 is about 421.7539182834.

The spelling of 75020055 in words is "seventy-five million, twenty thousand, fifty-five".