49495157 has 2 divisors, whose sum is σ = 49495158. Its totient is φ = 49495156.

The previous prime is 49495153. The next prime is 49495207. The reversal of 49495157 is 75159494.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48916036 + 579121 = 6994^2 + 761^2 .

It is a cyclic number.

It is not a de Polignac number, because 49495157 - 2² = 49495153 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49495153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24747578 + 24747579.

It is an arithmetic number, because the mean of its divisors is an integer number (24747579).

Almost surely, 2^49495157 is an apocalyptic number.

It is an amenable number.

49495157 is a deficient number, since it is larger than the sum of its proper divisors (1).

49495157 is an equidigital number, since it uses as much as digits as its factorization.

49495157 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226800, while the sum is 44.

The square root of 49495157 is about 7035.2794542932. The cubic root of 49495157 is about 367.1590482388.

The spelling of 49495157 in words is "forty-nine million, four hundred ninety-five thousand, one hundred fifty-seven".