49581924 has 144 divisors (see below), whose sum is σ = 144099648. Its totient is φ = 13208832.

The previous prime is 49581913. The next prime is 49581937. The reversal of 49581924 is 42918594.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 935482 + ... + 935534.

It is an arithmetic number, because the mean of its divisors is an integer number (1000692).

Almost surely, 2^49581924 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 49581924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72049824).

49581924 is an abundant number, since it is smaller than the sum of its proper divisors (94517724).

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

49581924 is a wasteful number, since it uses less digits than its factorization.

49581924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 145 counting only the distinct ones).

The product of its digits is 103680, while the sum is 42.

The square root of 49581924 is about 7041.4433179569. The cubic root of 49581924 is about 367.3734711808.

It can be divided in two parts, 49581 and 924, that added together give a palindrome (50505).

The spelling of 49581924 in words is "forty-nine million, five hundred eighty-one thousand, nine hundred twenty-four".