50061515 has 16 divisors (see below), whose sum is σ = 72695232. Its totient is φ = 32308224.

The previous prime is 50061509. The next prime is 50061527. The reversal of 50061515 is 51516005.

It is a cyclic number.

It is not a de Polignac number, because 50061515 - 2¹⁸ = 49799371 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41474 + ... + 42663.

It is an arithmetic number, because the mean of its divisors is an integer number (4543452).

Almost surely, 2^50061515 is an apocalyptic number.

50061515 is a deficient number, since it is larger than the sum of its proper divisors (22633717).

50061515 is a wasteful number, since it uses less digits than its factorization.

50061515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84166.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 50061515 is about 7075.4162421726. The cubic root of 50061515 is about 368.5541700793.

The spelling of 50061515 in words is "fifty million, sixty-one thousand, five hundred fifteen".