49957423 has 2 divisors, whose sum is σ = 49957424. Its totient is φ = 49957422.

The previous prime is 49957417. The next prime is 49957447. The reversal of 49957423 is 32475994.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 49957423 - 2²¹ = 47860271 is a prime.

It is a super-2 number, since 2×49957423² = 4991488225601858, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49957423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49957493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24978711 + 24978712.

It is an arithmetic number, because the mean of its divisors is an integer number (24978712).

Almost surely, 2^49957423 is an apocalyptic number.

49957423 is a deficient number, since it is larger than the sum of its proper divisors (1).

49957423 is an equidigital number, since it uses as much as digits as its factorization.

49957423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 49957423 is about 7068.0565221283. The cubic root of 49957423 is about 368.2985501621.

The spelling of 49957423 in words is "forty-nine million, nine hundred fifty-seven thousand, four hundred twenty-three".