75645604055 has 48 divisors (see below), whose sum is σ = 110777880000. Its totient is φ = 48565813248.

The previous prime is 75645604037. The next prime is 75645604093. The reversal of 75645604055 is 55040654657.

It is not a de Polignac number, because 75645604055 - 2¹⁸ = 75645341911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1932821 + ... + 1971569.

It is an arithmetic number, because the mean of its divisors is an integer number (2307872500).

Almost surely, 2^75645604055 is an apocalyptic number.

75645604055 is a deficient number, since it is larger than the sum of its proper divisors (35132275945).

75645604055 is a wasteful number, since it uses less digits than its factorization.

75645604055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38988 (or 38971 counting only the distinct ones).

The product of its (nonzero) digits is 2520000, while the sum is 47.

The spelling of 75645604055 in words is "seventy-five billion, six hundred forty-five million, six hundred four thousand, fifty-five".