505953896 has 32 divisors (see below), whose sum is σ = 1086454080. Its totient is φ = 216384000.

The previous prime is 505953893. The next prime is 505953901. The reversal of 505953896 is 698359505.

It is not an unprimeable number, because it can be changed into a prime (505953893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18296 + ... + 36696.

It is an arithmetic number, because the mean of its divisors is an integer number (33951690).

Almost surely, 2^505953896 is an apocalyptic number.

505953896 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

505953896 is an abundant number, since it is smaller than the sum of its proper divisors (580500184).

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

505953896 is a wasteful number, since it uses less digits than its factorization.

505953896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18905 (or 18901 counting only the distinct ones).

The product of its (nonzero) digits is 1458000, while the sum is 50.

The square root of 505953896 is about 22493.4189486614. The cubic root of 505953896 is about 796.8385101856.

The spelling of 505953896 in words is "five hundred five million, nine hundred fifty-three thousand, eight hundred ninety-six".