49665556 has 12 divisors (see below), whose sum is σ = 90693792. Its totient is φ = 23753048.

The previous prime is 49665541. The next prime is 49665571. The reversal of 49665556 is 65556694.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (49665541) and next prime (49665571).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269830 + ... + 270013.

It is an arithmetic number, because the mean of its divisors is an integer number (7557816).

Almost surely, 2^49665556 is an apocalyptic number.

49665556 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

49665556 is a deficient number, since it is larger than the sum of its proper divisors (41028236).

49665556 is a wasteful number, since it uses less digits than its factorization.

49665556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539870 (or 539868 counting only the distinct ones).

The product of its digits is 972000, while the sum is 46.

The square root of 49665556 is about 7047.3793710854. The cubic root of 49665556 is about 367.5799101222.

The spelling of 49665556 in words is "forty-nine million, six hundred sixty-five thousand, five hundred fifty-six".