47957451 has 4 divisors (see below), whose sum is σ = 63943272. Its totient is φ = 31971632.

The previous prime is 47957431. The next prime is 47957453. The reversal of 47957451 is 15475974.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47957451 - 2¹⁴ = 47941067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47957453) 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, 7992906 + ... + 7992911.

It is an arithmetic number, because the mean of its divisors is an integer number (15985818).

Almost surely, 2^47957451 is an apocalyptic number.

47957451 is a deficient number, since it is larger than the sum of its proper divisors (15985821).

47957451 is a wasteful number, since it uses less digits than its factorization.

47957451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15985820.

The product of its digits is 176400, while the sum is 42.

The square root of 47957451 is about 6925.1318399002. The cubic root of 47957451 is about 363.3167025653.

It can be divided in two parts, 4795 and 7451, that added together give a triangular number (12246 = T₁₅₆).

The spelling of 47957451 in words is "forty-seven million, nine hundred fifty-seven thousand, four hundred fifty-one".