47478554 has 8 divisors (see below), whose sum is σ = 72733248. Its totient is φ = 23234140.

The previous prime is 47478553. The next prime is 47478559. The reversal of 47478554 is 45587474.

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

It is a super-3 number, since 3×47478554³ (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (47478551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252452 + ... + 252639.

It is an arithmetic number, because the mean of its divisors is an integer number (9091656).

Almost surely, 2^47478554 is an apocalyptic number.

47478554 is a deficient number, since it is larger than the sum of its proper divisors (25254694).

47478554 is a wasteful number, since it uses less digits than its factorization.

47478554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505140.

The product of its digits is 627200, while the sum is 44.

The square root of 47478554 is about 6890.4683440242. The cubic root of 47478554 is about 362.1033098504.

The spelling of 47478554 in words is "forty-seven million, four hundred seventy-eight thousand, five hundred fifty-four".