49891464 has 160 divisors (see below), whose sum is σ = 169361280. Its totient is φ = 13395456.

The previous prime is 49891453. The next prime is 49891519. The reversal of 49891464 is 46419894.

It is a nude number because it is divisible by every one of its digits.

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 39 ways as a sum of consecutive naturals, for example, 76789 + ... + 77435.

It is an arithmetic number, because the mean of its divisors is an integer number (1058508).

Almost surely, 2^49891464 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 49891464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84680640).

49891464 is an abundant number, since it is smaller than the sum of its proper divisors (119469816).

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

49891464 is a wasteful number, since it uses less digits than its factorization.

49891464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 676 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 49891464 is about 7063.3889882973. The cubic root of 49891464 is about 368.1363900554.

The spelling of 49891464 in words is "forty-nine million, eight hundred ninety-one thousand, four hundred sixty-four".