48185478 has 48 divisors (see below), whose sum is σ = 114366096. Its totient is φ = 14541120.

The previous prime is 48185471. The next prime is 48185549. The reversal of 48185478 is 87458184.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48185471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78300 + ... + 78912.

It is an arithmetic number, because the mean of its divisors is an integer number (2382627).

Almost surely, 2^48185478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48185478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57183048).

48185478 is an abundant number, since it is smaller than the sum of its proper divisors (66180618).

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

48185478 is a wasteful number, since it uses less digits than its factorization.

48185478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029 (or 1026 counting only the distinct ones).

The product of its digits is 286720, while the sum is 45.

The square root of 48185478 is about 6941.5760458271. The cubic root of 48185478 is about 363.8916223256.

It can be divided in two parts, 4818 and 5478, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 48185478 in words is "forty-eight million, one hundred eighty-five thousand, four hundred seventy-eight".