50737997 has 4 divisors (see below), whose sum is σ = 50891616. Its totient is φ = 50584380.

The previous prime is 50737991. The next prime is 50738011. The reversal of 50737997 is 79973705.

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 50737997 - 2⁶ = 50737933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50737991) 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, 76313 + ... + 76974.

It is an arithmetic number, because the mean of its divisors is an integer number (12722904).

Almost surely, 2^50737997 is an apocalyptic number.

It is an amenable number.

50737997 is a deficient number, since it is larger than the sum of its proper divisors (153619).

50737997 is a wasteful number, since it uses less digits than its factorization.

50737997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153618.

The product of its (nonzero) digits is 416745, while the sum is 47.

The square root of 50737997 is about 7123.0609291231. The cubic root of 50737997 is about 370.2068407643.

The spelling of 50737997 in words is "fifty million, seven hundred thirty-seven thousand, nine hundred ninety-seven".