49318520 has 48 divisors (see below), whose sum is σ = 114751080. Its totient is φ = 19076160.

The previous prime is 49318501. The next prime is 49318523. The reversal of 49318520 is 2581394.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49318523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37799 + ... + 39081.

Almost surely, 2^49318520 is an apocalyptic number.

49318520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49318520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57375540).

49318520 is an abundant number, since it is smaller than the sum of its proper divisors (65432560).

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

49318520 is a wasteful number, since it uses less digits than its factorization.

49318520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1321 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 49318520 is about 7022.7145748635. The cubic root of 49318520 is about 366.7217584805.

The spelling of 49318520 in words is "forty-nine million, three hundred eighteen thousand, five hundred twenty".