48691188 has 144 divisors (see below), whose sum is σ = 154103040. Its totient is φ = 12621312.

The previous prime is 48691183. The next prime is 48691189. The reversal of 48691188 is 88119684.

48691188 is a `hidden beast` number, since 486 + 91 + 1 + 88 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48691183) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 291481 + ... + 291647.

It is an arithmetic number, because the mean of its divisors is an integer number (1070160).

Almost surely, 2^48691188 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 48691188, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77051520).

48691188 is an abundant number, since it is smaller than the sum of its proper divisors (105411852).

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

48691188 is a wasteful number, since it uses less digits than its factorization.

48691188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286 (or 281 counting only the distinct ones).

The product of its digits is 110592, while the sum is 45.

The square root of 48691188 is about 6977.9071360975. The cubic root of 48691188 is about 365.1602173958.

The spelling of 48691188 in words is "forty-eight million, six hundred ninety-one thousand, one hundred eighty-eight".