50556533 has 2 divisors, whose sum is σ = 50556534. Its totient is φ = 50556532.

The previous prime is 50556529. The next prime is 50556551. The reversal of 50556533 is 33565505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36881329 + 13675204 = 6073^2 + 3698^2 .

It is a cyclic number.

It is not a de Polignac number, because 50556533 - 2² = 50556529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50556533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50556523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25278266 + 25278267.

It is an arithmetic number, because the mean of its divisors is an integer number (25278267).

Almost surely, 2^50556533 is an apocalyptic number.

It is an amenable number.

50556533 is a deficient number, since it is larger than the sum of its proper divisors (1).

50556533 is an equidigital number, since it uses as much as digits as its factorization.

50556533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 33750, while the sum is 32.

The square root of 50556533 is about 7110.3117371885. The cubic root of 50556533 is about 369.7649663884.

The spelling of 50556533 in words is "fifty million, five hundred fifty-six thousand, five hundred thirty-three".