5255863506 has 24 divisors (see below), whose sum is σ = 11400577344. Its totient is φ = 1749974040.

The previous prime is 5255863499. The next prime is 5255863507. The reversal of 5255863506 is 6053685525.

5255863506 is a `hidden beast` number, since 5 + 2 + 5 + 5 + 8 + 635 + 0 + 6 = 666.

It is a super-2 number, since 2×5255863506² = 55248202387405224072, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5255863507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 148630 + ... + 180561.

It is an arithmetic number, because the mean of its divisors is an integer number (475024056).

Almost surely, 2^5255863506 is an apocalyptic number.

5255863506 is an abundant number, since it is smaller than the sum of its proper divisors (6144713838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5255863506 is a wasteful number, since it uses less digits than its factorization.

5255863506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330086 (or 330083 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 45.

The square root of 5255863506 is about 72497.3344751378. The cubic root of 5255863506 is about 1738.6601199025.

The spelling of 5255863506 in words is "five billion, two hundred fifty-five million, eight hundred sixty-three thousand, five hundred six".