49225540 has 192 divisors, whose sum is σ = 141571584. Its totient is φ = 13934592.

The previous prime is 49225531. The next prime is 49225559. The reversal of 49225540 is 4552294.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1144759 + ... + 1144801.

It is an arithmetic number, because the mean of its divisors is an integer number (737352).

Almost surely, 2^49225540 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 49225540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70785792).

49225540 is an abundant number, since it is smaller than the sum of its proper divisors (92346044).

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

49225540 is a wasteful number, since it uses less digits than its factorization.

49225540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 49225540 is about 7016.0915045344. The cubic root of 49225540 is about 366.4911538333.

The spelling of 49225540 in words is "forty-nine million, two hundred twenty-five thousand, five hundred forty".