49311264 has 72 divisors (see below), whose sum is σ = 135454032. Its totient is φ = 15706240.

The previous prime is 49311217. The next prime is 49311277. The reversal of 49311264 is 46211394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50299 + ... + 51269.

It is an arithmetic number, because the mean of its divisors is an integer number (1881306).

Almost surely, 2^49311264 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 49311264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67727016).

49311264 is an abundant number, since it is smaller than the sum of its proper divisors (86142768).

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

49311264 is a wasteful number, since it uses less digits than its factorization.

49311264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030 (or 999 counting only the distinct ones).

The product of its digits is 5184, while the sum is 30.

The square root of 49311264 is about 7022.1979465122. The cubic root of 49311264 is about 366.7037729206.

The spelling of 49311264 in words is "forty-nine million, three hundred eleven thousand, two hundred sixty-four".