50513545 has 16 divisors (see below), whose sum is σ = 64383120. Its totient is φ = 37914624.

The previous prime is 50513531. The next prime is 50513549. The reversal of 50513545 is 54531505.

It can be written as a sum of positive squares in 8 ways, for example, as 17749369 + 32764176 = 4213^2 + 5724^2 .

It is not a de Polignac number, because 50513545 - 2⁷ = 50513417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50513549) 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, 34039 + ... + 35491.

It is an arithmetic number, because the mean of its divisors is an integer number (4023945).

Almost surely, 2^50513545 is an apocalyptic number.

It is an amenable number.

50513545 is a deficient number, since it is larger than the sum of its proper divisors (13869575).

50513545 is a wasteful number, since it uses less digits than its factorization.

50513545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 50513545 is about 7107.2881607544. The cubic root of 50513545 is about 369.6601334892.

The spelling of 50513545 in words is "fifty million, five hundred thirteen thousand, five hundred forty-five".