49454388 has 72 divisors (see below), whose sum is σ = 131415648. Its totient is φ = 16259616.

The previous prime is 49454371. The next prime is 49454389. The reversal of 49454388 is 88345494.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49454389) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 80370 + ... + 80982.

Almost surely, 2^49454388 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 49454388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65707824).

49454388 is an abundant number, since it is smaller than the sum of its proper divisors (81961260).

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

49454388 is a wasteful number, since it uses less digits than its factorization.

49454388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 701 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 49454388 is about 7032.3813889749. The cubic root of 49454388 is about 367.0582113090.

The spelling of 49454388 in words is "forty-nine million, four hundred fifty-four thousand, three hundred eighty-eight".