50365531 has 2 divisors, whose sum is σ = 50365532. Its totient is φ = 50365530.

The previous prime is 50365519. The next prime is 50365537. The reversal of 50365531 is 13556305.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50365531 - 2¹³ = 50357339 is a prime.

It is a super-2 number, since 2×50365531² = 5073373425823922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50365531.

It is not a weakly prime, because it can be changed into another prime (50365537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25182765 + 25182766.

It is an arithmetic number, because the mean of its divisors is an integer number (25182766).

Almost surely, 2^50365531 is an apocalyptic number.

50365531 is a deficient number, since it is larger than the sum of its proper divisors (1).

50365531 is an equidigital number, since it uses as much as digits as its factorization.

50365531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6750, while the sum is 28.

The square root of 50365531 is about 7096.8676893401. The cubic root of 50365531 is about 369.2987228106.

The spelling of 50365531 in words is "fifty million, three hundred sixty-five thousand, five hundred thirty-one".