49051100 has 72 divisors (see below), whose sum is σ = 123325440. Its totient is φ = 16585920.

The previous prime is 49051099. The next prime is 49051133. The reversal of 49051100 is 115094.

It is a super-2 number, since 2×49051100² = 4812020822420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54857 + ... + 55743.

Almost surely, 2^49051100 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 49051100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61662720).

49051100 is an abundant number, since it is smaller than the sum of its proper divisors (74274340).

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

49051100 is a wasteful number, since it uses less digits than its factorization.

49051100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987 (or 980 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 49051100 is about 7003.6490488887. The cubic root of 49051100 is about 366.0577312458.

Adding to 49051100 its reverse (115094), we get a palindrome (49166194).

The spelling of 49051100 in words is "forty-nine million, fifty-one thousand, one hundred".