50453869 has 2 divisors, whose sum is σ = 50453870. Its totient is φ = 50453868.

The previous prime is 50453861. The next prime is 50453891. The reversal of 50453869 is 96835405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44756100 + 5697769 = 6690^2 + 2387^2 .

It is a cyclic number.

It is not a de Polignac number, because 50453869 - 2³ = 50453861 is a prime.

It is a super-2 number, since 2×50453869² = 5091185794138322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50453861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25226934 + 25226935.

It is an arithmetic number, because the mean of its divisors is an integer number (25226935).

Almost surely, 2^50453869 is an apocalyptic number.

It is an amenable number.

50453869 is a deficient number, since it is larger than the sum of its proper divisors (1).

50453869 is an equidigital number, since it uses as much as digits as its factorization.

50453869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 50453869 is about 7103.0886943639. The cubic root of 50453869 is about 369.5145056785.

The spelling of 50453869 in words is "fifty million, four hundred fifty-three thousand, eight hundred sixty-nine".