49262139 has 6 divisors (see below), whose sum is σ = 71156436. Its totient is φ = 32841420.

The previous prime is 49262111. The next prime is 49262149. The reversal of 49262139 is 93126294.

It is not a de Polignac number, because 49262139 - 2¹² = 49258043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49262149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2736777 + ... + 2736794.

It is an arithmetic number, because the mean of its divisors is an integer number (11859406).

Almost surely, 2^49262139 is an apocalyptic number.

49262139 is a deficient number, since it is larger than the sum of its proper divisors (21894297).

49262139 is a wasteful number, since it uses less digits than its factorization.

49262139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473577 (or 5473574 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 49262139 is about 7018.6992384629. The cubic root of 49262139 is about 366.5819595877.

The spelling of 49262139 in words is "forty-nine million, two hundred sixty-two thousand, one hundred thirty-nine".