49621248 has 90 divisors (see below), whose sum is σ = 148023414. Its totient is φ = 16533504.

The previous prime is 49621219. The next prime is 49621267. The reversal of 49621248 is 84212694.

49621248 is a `hidden beast` number, since 4 + 9 + 621 + 24 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 28387584 + 21233664 = 5328^2 + 4608^2 .

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

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19540 + ... + 21932.

Almost surely, 2^49621248 is an apocalyptic number.

49621248 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49621248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74011707).

49621248 is an abundant number, since it is smaller than the sum of its proper divisors (98402166).

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

49621248 is an equidigital number, since it uses as much as digits as its factorization.

49621248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2398 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 49621248 is about 7044.2350897738. The cubic root of 49621248 is about 367.4705682386.

The spelling of 49621248 in words is "forty-nine million, six hundred twenty-one thousand, two hundred forty-eight".