48987136 has 44 divisors (see below), whose sum is σ = 106853400. Its totient is φ = 22261760.

The previous prime is 48987131. The next prime is 48987151. The reversal of 48987136 is 63178984.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48987131) 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, 9090 + ... + 13438.

Almost surely, 2^48987136 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 48987136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53426700).

48987136 is an abundant number, since it is smaller than the sum of its proper divisors (57866264).

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

48987136 is a wasteful number, since it uses less digits than its factorization.

48987136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4380 (or 4362 counting only the distinct ones).

The product of its digits is 290304, while the sum is 46.

The square root of 48987136 is about 6999.0810825422. The cubic root of 48987136 is about 365.8985455406.

The spelling of 48987136 in words is "forty-eight million, nine hundred eighty-seven thousand, one hundred thirty-six".