47452858 has 4 divisors (see below), whose sum is σ = 71179290. Its totient is φ = 23726428.

The previous prime is 47452849. The next prime is 47452859. The reversal of 47452858 is 85825474.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 38229489 + 9223369 = 6183^2 + 3037^2 .

It is not an unprimeable number, because it can be changed into a prime (47452859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11863213 + ... + 11863216.

Almost surely, 2^47452858 is an apocalyptic number.

47452858 is a deficient number, since it is larger than the sum of its proper divisors (23726432).

47452858 is a wasteful number, since it uses less digits than its factorization.

47452858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23726431.

The product of its digits is 358400, while the sum is 43.

The square root of 47452858 is about 6888.6034869195. The cubic root of 47452858 is about 362.0379730828.

The spelling of 47452858 in words is "forty-seven million, four hundred fifty-two thousand, eight hundred fifty-eight".