47855430 has 96 divisors (see below), whose sum is σ = 146113344. Its totient is φ = 10637568.

The previous prime is 47855419. The next prime is 47855441. The reversal of 47855430 is 3455874.

47855430 is a `hidden beast` number, since 4 + 78 + 554 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (47855419) and next prime (47855441).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22284 + ... + 24336.

It is an arithmetic number, because the mean of its divisors is an integer number (1522014).

Almost surely, 2^47855430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47855430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73056672).

47855430 is an abundant number, since it is smaller than the sum of its proper divisors (98257914).

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

47855430 is a wasteful number, since it uses less digits than its factorization.

47855430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2110 (or 2107 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 47855430 is about 6917.7619213153. The cubic root of 47855430 is about 363.0588889730.

The spelling of 47855430 in words is "forty-seven million, eight hundred fifty-five thousand, four hundred thirty".