49451533 has 2 divisors, whose sum is σ = 49451534. Its totient is φ = 49451532.

The previous prime is 49451527. The next prime is 49451537. The reversal of 49451533 is 33515494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46416969 + 3034564 = 6813^2 + 1742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49451533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49451537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24725766 + 24725767.

It is an arithmetic number, because the mean of its divisors is an integer number (24725767).

Almost surely, 2^49451533 is an apocalyptic number.

It is an amenable number.

49451533 is a deficient number, since it is larger than the sum of its proper divisors (1).

49451533 is an equidigital number, since it uses as much as digits as its factorization.

49451533 is an evil number, because the sum of its binary digits is even.

The product of its digits is 32400, while the sum is 34.

The square root of 49451533 is about 7032.1783964857. The cubic root of 49451533 is about 367.0511477541.

The spelling of 49451533 in words is "forty-nine million, four hundred fifty-one thousand, five hundred thirty-three".