50531505 has 16 divisors (see below), whose sum is σ = 81164160. Its totient is φ = 26845568.

The previous prime is 50531501. The next prime is 50531513. The reversal of 50531505 is 50513505.

It is a cyclic number.

It is not a de Polignac number, because 50531505 - 2² = 50531501 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50531501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2460 + ... + 10349.

It is an arithmetic number, because the mean of its divisors is an integer number (5072760).

Almost surely, 2^50531505 is an apocalyptic number.

It is an amenable number.

50531505 is a deficient number, since it is larger than the sum of its proper divisors (30632655).

50531505 is a wasteful number, since it uses less digits than its factorization.

50531505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13080.

The product of its (nonzero) digits is 1875, while the sum is 24.

The square root of 50531505 is about 7108.5515402225. The cubic root of 50531505 is about 369.7039389629.

The spelling of 50531505 in words is "fifty million, five hundred thirty-one thousand, five hundred five".