48991782 has 32 divisors (see below), whose sum is σ = 112211712. Its totient is φ = 13968864.

The previous prime is 48991781. The next prime is 48991783. The reversal of 48991782 is 28719984.

It is an interprime number because it is at equal distance from previous prime (48991781) and next prime (48991783).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48991781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27573 + ... + 29295.

It is an arithmetic number, because the mean of its divisors is an integer number (3506616).

Almost surely, 2^48991782 is an apocalyptic number.

48991782 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

48991782 is an abundant number, since it is smaller than the sum of its proper divisors (63219930).

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

48991782 is a wasteful number, since it uses less digits than its factorization.

48991782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2412.

The product of its digits is 290304, while the sum is 48.

The square root of 48991782 is about 6999.4129753859. The cubic root of 48991782 is about 365.9101125971.

The spelling of 48991782 in words is "forty-eight million, nine hundred ninety-one thousand, seven hundred eighty-two".