50988731 has 2 divisors, whose sum is σ = 50988732. Its totient is φ = 50988730.

The previous prime is 50988719. The next prime is 50988767. The reversal of 50988731 is 13788905.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50988731 - 2¹⁸ = 50726587 is a prime.

It is a super-2 number, since 2×50988731² = 5199701377980722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (50988031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25494365 + 25494366.

It is an arithmetic number, because the mean of its divisors is an integer number (25494366).

Almost surely, 2^50988731 is an apocalyptic number.

50988731 is a deficient number, since it is larger than the sum of its proper divisors (1).

50988731 is an equidigital number, since it uses as much as digits as its factorization.

50988731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 50988731 is about 7140.6393971408. The cubic root of 50988731 is about 370.8156609963.

The spelling of 50988731 in words is "fifty million, nine hundred eighty-eight thousand, seven hundred thirty-one".