49781952 has 196 divisors, whose sum is σ = 163241736. Its totient is φ = 14929920.

The previous prime is 49781911. The next prime is 49781969. The reversal of 49781952 is 25918794.

It is a junction number, because it is equal to n+sod(n) for n = 49781898 and 49781907.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 513168 + ... + 513264.

It is an arithmetic number, because the mean of its divisors is an integer number (832866).

Almost surely, 2^49781952 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 49781952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81620868).

49781952 is an abundant number, since it is smaller than the sum of its proper divisors (113459784).

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

49781952 is an equidigital number, since it uses as much as digits as its factorization.

49781952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138 (or 113 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 49781952 is about 7055.6326434984. The cubic root of 49781952 is about 367.8668390300.

The spelling of 49781952 in words is "forty-nine million, seven hundred eighty-one thousand, nine hundred fifty-two".