49847731 has 2 divisors, whose sum is σ = 49847732. Its totient is φ = 49847730.

The previous prime is 49847713. The next prime is 49847737. The reversal of 49847731 is 13774894.

Together with previous prime (49847713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49847731 - 2¹³ = 49839539 is a prime.

It is a super-2 number, since 2×49847731² = 4969592571696722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49847737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24923865 + 24923866.

It is an arithmetic number, because the mean of its divisors is an integer number (24923866).

Almost surely, 2^49847731 is an apocalyptic number.

49847731 is a deficient number, since it is larger than the sum of its proper divisors (1).

49847731 is an equidigital number, since it uses as much as digits as its factorization.

49847731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 49847731 is about 7060.2925576778. The cubic root of 49847731 is about 368.0287937261.

The spelling of 49847731 in words is "forty-nine million, eight hundred forty-seven thousand, seven hundred thirty-one".