47130552 has 192 divisors, whose sum is σ = 156909600. Its totient is φ = 13063680.

The previous prime is 47130533. The next prime is 47130553. The reversal of 47130552 is 25503174.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47130553) 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, 645588 + ... + 645660.

Almost surely, 2^47130552 is an apocalyptic number.

47130552 is a gapful number since it is divisible by the number (42) 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 47130552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78454800).

47130552 is an abundant number, since it is smaller than the sum of its proper divisors (109779048).

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

47130552 is a wasteful number, since it uses less digits than its factorization.

47130552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 146 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 47130552 is about 6865.1694807922. The cubic root of 47130552 is about 361.2164405713.

The spelling of 47130552 in words is "forty-seven million, one hundred thirty thousand, five hundred fifty-two".