49408993 has 2 divisors, whose sum is σ = 49408994. Its totient is φ = 49408992.

The previous prime is 49408951. The next prime is 49409027. The reversal of 49408993 is 39980494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48902049 + 506944 = 6993^2 + 712^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49408993 is a prime.

It is not a weakly prime, because it can be changed into another prime (49408943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24704496 + 24704497.

It is an arithmetic number, because the mean of its divisors is an integer number (24704497).

Almost surely, 2^49408993 is an apocalyptic number.

It is an amenable number.

49408993 is a deficient number, since it is larger than the sum of its proper divisors (1).

49408993 is an equidigital number, since it uses as much as digits as its factorization.

49408993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 46.

The square root of 49408993 is about 7029.1530784299. The cubic root of 49408993 is about 366.9458673286.

The spelling of 49408993 in words is "forty-nine million, four hundred eight thousand, nine hundred ninety-three".