49689960 has 32 divisors (see below), whose sum is σ = 149070240. Its totient is φ = 13250624.

The previous prime is 49689917. The next prime is 49689961. The reversal of 49689960 is 6998694.

It is not an unprimeable number, because it can be changed into a prime (49689961) 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, 206922 + ... + 207161.

It is an arithmetic number, because the mean of its divisors is an integer number (4658445).

Almost surely, 2^49689960 is an apocalyptic number.

49689960 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49689960 is an abundant number, since it is smaller than the sum of its proper divisors (99380280).

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

49689960 is a wasteful number, since it uses less digits than its factorization.

49689960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414097 (or 414093 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 51.

The square root of 49689960 is about 7049.1105821940. The cubic root of 49689960 is about 367.6401057722.

The spelling of 49689960 in words is "forty-nine million, six hundred eighty-nine thousand, nine hundred sixty".