75500255775 has 48 divisors (see below), whose sum is σ = 142701580800. Its totient is φ = 34504229760.

The previous prime is 75500255707. The next prime is 75500255777. The reversal of 75500255775 is 57755200557.

It is not a de Polignac number, because 75500255775 - 2¹⁷ = 75500124703 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75500255777) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1933141 + ... + 1971809.

It is an arithmetic number, because the mean of its divisors is an integer number (2972949600).

Almost surely, 2^75500255775 is an apocalyptic number.

75500255775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

75500255775 is a deficient number, since it is larger than the sum of its proper divisors (67201325025).

75500255775 is a wasteful number, since it uses less digits than its factorization.

75500255775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42408 (or 42403 counting only the distinct ones).

The product of its (nonzero) digits is 2143750, while the sum is 48.

The spelling of 75500255775 in words is "seventy-five billion, five hundred million, two hundred fifty-five thousand, seven hundred seventy-five".