47685454 has 8 divisors (see below), whose sum is σ = 73994760. Its totient is φ = 23020536.

The previous prime is 47685413. The next prime is 47685467. The reversal of 47685454 is 45458674.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×47685454² = 4547805046372232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47685454.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411024 + ... + 411139.

It is an arithmetic number, because the mean of its divisors is an integer number (9249345).

Almost surely, 2^47685454 is an apocalyptic number.

47685454 is a deficient number, since it is larger than the sum of its proper divisors (26309306).

47685454 is a wasteful number, since it uses less digits than its factorization.

47685454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822194.

The product of its digits is 537600, while the sum is 43.

The square root of 47685454 is about 6905.4655165311. The cubic root of 47685454 is about 362.6285337300.

The spelling of 47685454 in words is "forty-seven million, six hundred eighty-five thousand, four hundred fifty-four".