50491537 has 2 divisors, whose sum is σ = 50491538. Its totient is φ = 50491536.

The previous prime is 50491501. The next prime is 50491543. The reversal of 50491537 is 73519405.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36978561 + 13512976 = 6081^2 + 3676^2 .

It is a cyclic number.

It is not a de Polignac number, because 50491537 - 2⁷ = 50491409 is a prime.

It is not a weakly prime, because it can be changed into another prime (50491577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25245768 + 25245769.

It is an arithmetic number, because the mean of its divisors is an integer number (25245769).

Almost surely, 2^50491537 is an apocalyptic number.

It is an amenable number.

50491537 is a deficient number, since it is larger than the sum of its proper divisors (1).

50491537 is an equidigital number, since it uses as much as digits as its factorization.

50491537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 50491537 is about 7105.7397222246. The cubic root of 50491537 is about 369.6064405506.

The spelling of 50491537 in words is "fifty million, four hundred ninety-one thousand, five hundred thirty-seven".