47755000 has 40 divisors (see below), whose sum is σ = 111901680. Its totient is φ = 19100000.

The previous prime is 47754991. The next prime is 47755007. The reversal of 47755000 is 55774.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 47755000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47755007) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 225 + ... + 9775.

It is an arithmetic number, because the mean of its divisors is an integer number (2797542).

Almost surely, 2^47755000 is an apocalyptic number.

47755000 is a gapful number since it is divisible by the number (40) 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 47755000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55950840).

47755000 is an abundant number, since it is smaller than the sum of its proper divisors (64146680).

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

47755000 is an equidigital number, since it uses as much as digits as its factorization.

47755000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9577 (or 9558 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 47755000 is about 6910.4992583749. The cubic root of 47755000 is about 362.8047378032.

The spelling of 47755000 in words is "forty-seven million, seven hundred fifty-five thousand".