49998656 has 14 divisors (see below), whose sum is σ = 99216210. Its totient is φ = 24999296.

The previous prime is 49998653. The next prime is 49998659. The reversal of 49998656 is 65689994.

It is an interprime number because it is at equal distance from previous prime (49998653) and next prime (49998659).

It can be written as a sum of positive squares in only one way, i.e., 49224256 + 774400 = 7016^2 + 880^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49998653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390551 + ... + 390678.

Almost surely, 2^49998656 is an apocalyptic number.

It is an amenable number.

49998656 is a deficient number, since it is larger than the sum of its proper divisors (49217554).

49998656 is an equidigital number, since it uses as much as digits as its factorization.

49998656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781241 (or 781231 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 56.

The square root of 49998656 is about 7070.9727760754. The cubic root of 49998656 is about 368.3998489422.

The spelling of 49998656 in words is "forty-nine million, nine hundred ninety-eight thousand, six hundred fifty-six".