775525055 has 8 divisors (see below), whose sum is σ = 930832800. Its totient is φ = 620284896.

The previous prime is 775525031. The next prime is 775525061. The reversal of 775525055 is 550525577.

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

It is a cyclic number.

It is not a de Polignac number, because 775525055 - 2²⁴ = 758747839 is a prime.

It is a super-2 number, since 2×775525055² = 1202878221865506050, which contains 22 as substring.

It is a congruent 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, 13241 + ... + 41549.

It is an arithmetic number, because the mean of its divisors is an integer number (116354100).

Almost surely, 2^775525055 is an apocalyptic number.

775525055 is a deficient number, since it is larger than the sum of its proper divisors (155307745).

775525055 is a wasteful number, since it uses less digits than its factorization.

775525055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33793.

The product of its (nonzero) digits is 306250, while the sum is 41.

The square root of 775525055 is about 27848.2504836480. The cubic root of 775525055 is about 918.7526633579.

The spelling of 775525055 in words is "seven hundred seventy-five million, five hundred twenty-five thousand, fifty-five".