50513645 has 32 divisors (see below), whose sum is σ = 75763968. Its totient is φ = 31477248.

The previous prime is 50513597. The next prime is 50513653. The reversal of 50513645 is 54631505.

50513645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 50513645 - 2¹⁴ = 50497261 is a prime.

It is a super-3 number, since 3×50513645³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29657 + ... + 31313.

It is an arithmetic number, because the mean of its divisors is an integer number (2367624).

Almost surely, 2^50513645 is an apocalyptic number.

It is an amenable number.

50513645 is a deficient number, since it is larger than the sum of its proper divisors (25250323).

50513645 is a wasteful number, since it uses less digits than its factorization.

50513645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1749.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 50513645 is about 7107.2951957830. The cubic root of 50513645 is about 369.6603774237.

The spelling of 50513645 in words is "fifty million, five hundred thirteen thousand, six hundred forty-five".