49930540 has 48 divisors (see below), whose sum is σ = 115990560. Its totient is φ = 17902080.

The previous prime is 49930523. The next prime is 49930541. The reversal of 49930540 is 4503994.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 49930496 and 49930505.

It is not an unprimeable number, because it can be changed into a prime (49930541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14506 + ... + 17614.

It is an arithmetic number, because the mean of its divisors is an integer number (2416470).

Almost surely, 2^49930540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49930540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57995280).

49930540 is an abundant number, since it is smaller than the sum of its proper divisors (66060020).

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

49930540 is a wasteful number, since it uses less digits than its factorization.

49930540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202 (or 3200 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 49930540 is about 7066.1545411914. The cubic root of 49930540 is about 368.2324755875.

The spelling of 49930540 in words is "forty-nine million, nine hundred thirty thousand, five hundred forty".