50742491 has 2 divisors, whose sum is σ = 50742492. Its totient is φ = 50742490.

The previous prime is 50742487. The next prime is 50742499. The reversal of 50742491 is 19424705.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50742491 - 2² = 50742487 is a prime.

It is not a weakly prime, because it can be changed into another prime (50742499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25371245 + 25371246.

It is an arithmetic number, because the mean of its divisors is an integer number (25371246).

Almost surely, 2^50742491 is an apocalyptic number.

50742491 is a deficient number, since it is larger than the sum of its proper divisors (1).

50742491 is an equidigital number, since it uses as much as digits as its factorization.

50742491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 50742491 is about 7123.3763764103. The cubic root of 50742491 is about 370.2177705114.

The spelling of 50742491 in words is "fifty million, seven hundred forty-two thousand, four hundred ninety-one".