49990641 has 12 divisors (see below), whose sum is σ = 67817232. Its totient is φ = 32755384.

The previous prime is 49990613. The next prime is 49990649. The reversal of 49990641 is 14609994.

It is not a de Polignac number, because 49990641 - 2⁵ = 49990609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 49990593 and 49990602.

It is not an unprimeable number, because it can be changed into a prime (49990649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8050 + ... + 12836.

It is an arithmetic number, because the mean of its divisors is an integer number (5651436).

Almost surely, 2^49990641 is an apocalyptic number.

It is an amenable number.

49990641 is a deficient number, since it is larger than the sum of its proper divisors (17826591).

49990641 is an equidigital number, since it uses as much as digits as its factorization.

49990641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908 (or 4849 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 42.

The square root of 49990641 is about 7070.4059996580. The cubic root of 49990641 is about 368.3801625292.

The spelling of 49990641 in words is "forty-nine million, nine hundred ninety thousand, six hundred forty-one".