49624129 has 2 divisors, whose sum is σ = 49624130. Its totient is φ = 49624128.

The previous prime is 49624117. The next prime is 49624147. The reversal of 49624129 is 92142694.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43864129 + 5760000 = 6623^2 + 2400^2 .

It is a cyclic number.

It is not a de Polignac number, because 49624129 - 2¹⁷ = 49493057 is a prime.

It is not a weakly prime, because it can be changed into another prime (49624429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24812064 + 24812065.

It is an arithmetic number, because the mean of its divisors is an integer number (24812065).

Almost surely, 2^49624129 is an apocalyptic number.

It is an amenable number.

49624129 is a deficient number, since it is larger than the sum of its proper divisors (1).

49624129 is an equidigital number, since it uses as much as digits as its factorization.

49624129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 37.

The square root of 49624129 is about 7044.4395802647. The cubic root of 49624129 is about 367.4776798575.

The spelling of 49624129 in words is "forty-nine million, six hundred twenty-four thousand, one hundred twenty-nine".