50896981 has 2 divisors, whose sum is σ = 50896982. Its totient is φ = 50896980.

The previous prime is 50896973. The next prime is 50897017. The reversal of 50896981 is 18969805.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50893956 + 3025 = 7134^2 + 55^2 .

It is a cyclic number.

It is not a de Polignac number, because 50896981 - 2³ = 50896973 is a prime.

It is a super-2 number, since 2×50896981² = 5181005349828722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50896921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25448490 + 25448491.

It is an arithmetic number, because the mean of its divisors is an integer number (25448491).

Almost surely, 2^50896981 is an apocalyptic number.

It is an amenable number.

50896981 is a deficient number, since it is larger than the sum of its proper divisors (1).

50896981 is an equidigital number, since it uses as much as digits as its factorization.

50896981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 46.

The square root of 50896981 is about 7134.2120097457. The cubic root of 50896981 is about 370.5931100950.

The spelling of 50896981 in words is "fifty million, eight hundred ninety-six thousand, nine hundred eighty-one".