49648128 has 40 divisors (see below), whose sum is σ = 132269808. Its totient is φ = 16548864.

The previous prime is 49648091. The next prime is 49648129. The reversal of 49648128 is 82184694.

It is a super-2 number, since 2×49648128² = 4929873227808768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49648128.

It is not an unprimeable number, because it can be changed into a prime (49648129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14626 + ... + 17697.

Almost surely, 2^49648128 is an apocalyptic number.

49648128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

49648128 is an abundant number, since it is smaller than the sum of its proper divisors (82621680).

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

49648128 is an equidigital number, since it uses as much as digits as its factorization.

49648128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32344 (or 32328 counting only the distinct ones).

The product of its digits is 110592, while the sum is 42.

The square root of 49648128 is about 7046.1427745966. The cubic root of 49648128 is about 367.5369096160.

The spelling of 49648128 in words is "forty-nine million, six hundred forty-eight thousand, one hundred twenty-eight".