49621807 has 2 divisors, whose sum is σ = 49621808. Its totient is φ = 49621806.

The previous prime is 49621769. The next prime is 49621841. The reversal of 49621807 is 70812694.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 49621807 - 2⁷ = 49621679 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49621877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24810903 + 24810904.

It is an arithmetic number, because the mean of its divisors is an integer number (24810904).

Almost surely, 2^49621807 is an apocalyptic number.

49621807 is a deficient number, since it is larger than the sum of its proper divisors (1).

49621807 is an equidigital number, since it uses as much as digits as its factorization.

49621807 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 49621807 is about 7044.2747674974. The cubic root of 49621807 is about 367.4719481264.

The spelling of 49621807 in words is "forty-nine million, six hundred twenty-one thousand, eight hundred seven".