49521276 has 72 divisors (see below), whose sum is σ = 146581344. Its totient is φ = 13800960.

The previous prime is 49521271. The next prime is 49521287. The reversal of 49521276 is 67212594.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 49521276.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49521271) 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, 7936 + ... + 12728.

It is an arithmetic number, because the mean of its divisors is an integer number (2035852).

Almost surely, 2^49521276 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 49521276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73290672).

49521276 is an abundant number, since it is smaller than the sum of its proper divisors (97060068).

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

49521276 is a wasteful number, since it uses less digits than its factorization.

49521276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4851 (or 4846 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 49521276 is about 7037.1354967771. The cubic root of 49521276 is about 367.2236211612.

The spelling of 49521276 in words is "forty-nine million, five hundred twenty-one thousand, two hundred seventy-six".