49445000 has 160 divisors (see below), whose sum is σ = 134956800. Its totient is φ = 16800000.

The previous prime is 49444999. The next prime is 49445023. The reversal of 49445000 is 54494.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1594985 + ... + 1595015.

It is an arithmetic number, because the mean of its divisors is an integer number (843480).

Almost surely, 2^49445000 is an apocalyptic number.

49445000 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 49445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67478400).

49445000 is an abundant number, since it is smaller than the sum of its proper divisors (85511800).

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

49445000 is a wasteful number, since it uses less digits than its factorization.

49445000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 78 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 49445000 is about 7031.7138735873. The cubic root of 49445000 is about 367.0349834372.

Adding to 49445000 its reverse (54494), we get a palindrome (49499494).

The spelling of 49445000 in words is "forty-nine million, four hundred forty-five thousand".