49611520 has 144 divisors (see below), whose sum is σ = 139809600. Its totient is φ = 16859136.

The previous prime is 49611511. The next prime is 49611533. The reversal of 49611520 is 2511694.

It is a super-2 number, since 2×49611520² = 4922605833420800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 438984 + ... + 439096.

It is an arithmetic number, because the mean of its divisors is an integer number (970900).

Almost surely, 2^49611520 is an apocalyptic number.

49611520 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 49611520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69904800).

49611520 is an abundant number, since it is smaller than the sum of its proper divisors (90198080).

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

49611520 is an equidigital number, since it uses as much as digits as its factorization.

49611520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155 (or 127 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 49611520 is about 7043.5445622215. The cubic root of 49611520 is about 367.4465530739.

The spelling of 49611520 in words is "forty-nine million, six hundred eleven thousand, five hundred twenty".