49499520 has 256 divisors, whose sum is σ = 188006400. Its totient is φ = 10838016.

The previous prime is 49499479. The next prime is 49499521. The reversal of 49499520 is 2599494.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49499521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 389697 + ... + 389823.

It is an arithmetic number, because the mean of its divisors is an integer number (734400).

Almost surely, 2^49499520 is an apocalyptic number.

49499520 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 49499520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94003200).

49499520 is an abundant number, since it is smaller than the sum of its proper divisors (138506880).

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

49499520 is a wasteful number, since it uses less digits than its factorization.

49499520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 42.

The square root of 49499520 is about 7035.5895275378. The cubic root of 49499520 is about 367.1698362832.

The spelling of 49499520 in words is "forty-nine million, four hundred ninety-nine thousand, five hundred twenty".