47911500 has 360 divisors, whose sum is σ = 193441248. Its totient is φ = 10108800.

The previous prime is 47911489. The next prime is 47911517. The reversal of 47911500 is 511974.

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

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3685494 + ... + 3685506.

Almost surely, 2^47911500 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 47911500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96720624).

47911500 is an abundant number, since it is smaller than the sum of its proper divisors (145529748).

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

47911500 is a wasteful number, since it uses less digits than its factorization.

47911500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 47911500 is about 6921.8133462266. The cubic root of 47911500 is about 363.2006267496.

Multiplying 47911500 by its product of nonzero digits (1260), we get a square (60368490000 = 245700²).

47911500 divided by its product of nonzero digits (1260) gives a square (38025 = 195²).

The spelling of 47911500 in words is "forty-seven million, nine hundred eleven thousand, five hundred".