49812516 has 96 divisors (see below), whose sum is σ = 147329280. Its totient is φ = 14418432.

The previous prime is 49812491. The next prime is 49812523. The reversal of 49812516 is 61521894.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22825 + ... + 24911.

It is an arithmetic number, because the mean of its divisors is an integer number (1534680).

Almost surely, 2^49812516 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 49812516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73664640).

49812516 is an abundant number, since it is smaller than the sum of its proper divisors (97516764).

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

49812516 is a wasteful number, since it uses less digits than its factorization.

49812516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2130 (or 2122 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 49812516 is about 7057.7982402446. The cubic root of 49812516 is about 367.9421084894.

The spelling of 49812516 in words is "forty-nine million, eight hundred twelve thousand, five hundred sixteen".