50973513 has 4 divisors (see below), whose sum is σ = 67964688. Its totient is φ = 33982340.

The previous prime is 50973511. The next prime is 50973539. The reversal of 50973513 is 31537905.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50973513 - 2¹ = 50973511 is a prime.

It is a super-3 number, since 3×50973513³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (50973511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8495583 + ... + 8495588.

It is an arithmetic number, because the mean of its divisors is an integer number (16991172).

Almost surely, 2^50973513 is an apocalyptic number.

It is an amenable number.

50973513 is a deficient number, since it is larger than the sum of its proper divisors (16991175).

50973513 is a wasteful number, since it uses less digits than its factorization.

50973513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16991174.

The product of its (nonzero) digits is 14175, while the sum is 33.

The square root of 50973513 is about 7139.5737267711. The cubic root of 50973513 is about 370.7787663458.

The spelling of 50973513 in words is "fifty million, nine hundred seventy-three thousand, five hundred thirteen".