505554956 has 12 divisors (see below), whose sum is σ = 905296392. Its totient is φ = 246898848.

The previous prime is 505554949. The next prime is 505554989. The reversal of 505554956 is 659455505.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1469465 + ... + 1469808.

It is an arithmetic number, because the mean of its divisors is an integer number (75441366).

Almost surely, 2^505554956 is an apocalyptic number.

It is an amenable number.

505554956 is a deficient number, since it is larger than the sum of its proper divisors (399741436).

505554956 is a wasteful number, since it uses less digits than its factorization.

505554956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939320 (or 2939318 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 44.

The square root of 505554956 is about 22484.5492727784. The cubic root of 505554956 is about 796.6290218338.

The spelling of 505554956 in words is "five hundred five million, five hundred fifty-four thousand, nine hundred fifty-six".