655512755 has 8 divisors (see below), whose sum is σ = 786772224. Its totient is φ = 524305600.

The previous prime is 655512733. The next prime is 655512761. The reversal of 655512755 is 557215556.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 655512755 - 2²⁶ = 588403891 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24110 + ... + 43500.

It is an arithmetic number, because the mean of its divisors is an integer number (98346528).

Almost surely, 2^655512755 is an apocalyptic number.

655512755 is a deficient number, since it is larger than the sum of its proper divisors (131259469).

655512755 is a wasteful number, since it uses less digits than its factorization.

655512755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26157.

The product of its digits is 262500, while the sum is 41.

The square root of 655512755 is about 25602.9833222615. The cubic root of 655512755 is about 868.6811191873.

The spelling of 655512755 in words is "six hundred fifty-five million, five hundred twelve thousand, seven hundred fifty-five".