49902071 has 2 divisors, whose sum is σ = 49902072. Its totient is φ = 49902070.

The previous prime is 49902067. The next prime is 49902079. The reversal of 49902071 is 17020994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49902071 - 2² = 49902067 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49902079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24951035 + 24951036.

It is an arithmetic number, because the mean of its divisors is an integer number (24951036).

Almost surely, 2^49902071 is an apocalyptic number.

49902071 is a deficient number, since it is larger than the sum of its proper divisors (1).

49902071 is an equidigital number, since it uses as much as digits as its factorization.

49902071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 49902071 is about 7064.1397919350. The cubic root of 49902071 is about 368.1624769895.

The spelling of 49902071 in words is "forty-nine million, nine hundred two thousand, seventy-one".