49188312 has 48 divisors (see below), whose sum is σ = 134610840. Its totient is φ = 16224768.

The previous prime is 49188301. The next prime is 49188317. The reversal of 49188312 is 21388194.

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 a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49188317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3463 + ... + 10505.

Almost surely, 2^49188312 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 49188312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67305420).

49188312 is an abundant number, since it is smaller than the sum of its proper divisors (85422528).

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

49188312 is a wasteful number, since it uses less digits than its factorization.

49188312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7152 (or 7145 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 49188312 is about 7013.4379586619. The cubic root of 49188312 is about 366.3987412795.

The spelling of 49188312 in words is "forty-nine million, one hundred eighty-eight thousand, three hundred twelve".