47393556 has 48 divisors (see below), whose sum is σ = 127526784. Its totient is φ = 13418496.

The previous prime is 47393503. The next prime is 47393561. The reversal of 47393556 is 65539374.

It is a super-2 number, since 2×47393556² = 4492298300650272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6996 + ... + 11988.

It is an arithmetic number, because the mean of its divisors is an integer number (2656808).

Almost surely, 2^47393556 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 47393556, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63763392).

47393556 is an abundant number, since it is smaller than the sum of its proper divisors (80133228).

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

47393556 is a wasteful number, since it uses less digits than its factorization.

47393556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5120 (or 5118 counting only the distinct ones).

The product of its digits is 340200, while the sum is 42.

The square root of 47393556 is about 6884.2977855407. The cubic root of 47393556 is about 361.8870968480.

The spelling of 47393556 in words is "forty-seven million, three hundred ninety-three thousand, five hundred fifty-six".