49915660 has 24 divisors (see below), whose sum is σ = 110340720. Its totient is φ = 18915264.

The previous prime is 49915639. The next prime is 49915661. The reversal of 49915660 is 6651994.

It is a super-2 number, since 2×49915660² = 4983146226471200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49915661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65299 + ... + 66058.

It is an arithmetic number, because the mean of its divisors is an integer number (4597530).

Almost surely, 2^49915660 is an apocalyptic number.

It is an amenable number.

49915660 is an abundant number, since it is smaller than the sum of its proper divisors (60425060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49915660 is a wasteful number, since it uses less digits than its factorization.

49915660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131385 (or 131383 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 49915660 is about 7065.1015562411. The cubic root of 49915660 is about 368.1958924753.

The spelling of 49915660 in words is "forty-nine million, nine hundred fifteen thousand, six hundred sixty".