50513895 has 16 divisors (see below), whose sum is σ = 89802720. Its totient is φ = 26940672.

The previous prime is 50513891. The next prime is 50513921. The reversal of 50513895 is 59831505.

It is a happy number.

50513895 is a `hidden beast` number, since 50 + 513 + 8 + 95 = 666.

It is not a de Polignac number, because 50513895 - 2² = 50513891 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50513891) 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, 186954 + ... + 187223.

It is an arithmetic number, because the mean of its divisors is an integer number (5612670).

Almost surely, 2^50513895 is an apocalyptic number.

50513895 is a deficient number, since it is larger than the sum of its proper divisors (39288825).

50513895 is a wasteful number, since it uses less digits than its factorization.

50513895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374191 (or 374185 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 50513895 is about 7107.3127833239. The cubic root of 50513895 is about 369.6609872585.

It can be divided in two parts, 505 and 13895, that added together give a square (14400 = 120²).

The spelling of 50513895 in words is "fifty million, five hundred thirteen thousand, eight hundred ninety-five".