47155248 has 180 divisors, whose sum is σ = 158224248. Its totient is φ = 13063680.

The previous prime is 47155237. The next prime is 47155259. The reversal of 47155248 is 84255174.

It is an interprime number because it is at equal distance from previous prime (47155237) and next prime (47155259).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 289215 + ... + 289377.

Almost surely, 2^47155248 is an apocalyptic number.

47155248 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 47155248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79112124).

47155248 is an abundant number, since it is smaller than the sum of its proper divisors (111069000).

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

47155248 is a wasteful number, since it uses less digits than its factorization.

47155248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 216 counting only the distinct ones).

The product of its digits is 44800, while the sum is 36.

The square root of 47155248 is about 6866.9678898332. The cubic root of 47155248 is about 361.2795209808.

The spelling of 47155248 in words is "forty-seven million, one hundred fifty-five thousand, two hundred forty-eight".