49401137 has 2 divisors, whose sum is σ = 49401138. Its totient is φ = 49401136.

The previous prime is 49401119. The next prime is 49401173. The reversal of 49401137 is 73110494.

Together with next prime (49401173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35331136 + 14070001 = 5944^2 + 3751^2 .

It is a cyclic number.

It is not a de Polignac number, because 49401137 - 2⁸ = 49400881 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (49491137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24700568 + 24700569.

It is an arithmetic number, because the mean of its divisors is an integer number (24700569).

Almost surely, 2^49401137 is an apocalyptic number.

It is an amenable number.

49401137 is a deficient number, since it is larger than the sum of its proper divisors (1).

49401137 is an equidigital number, since it uses as much as digits as its factorization.

49401137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 49401137 is about 7028.5942406715. The cubic root of 49401137 is about 366.9264182407.

The spelling of 49401137 in words is "forty-nine million, four hundred one thousand, one hundred thirty-seven".