47058457 has 4 divisors (see below), whose sum is σ = 47125540. Its totient is φ = 46991376.

The previous prime is 47058443. The next prime is 47058463. The reversal of 47058457 is 75485074.

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

It can be written as a sum of positive squares in 2 ways, for example, as 28987456 + 18071001 = 5384^2 + 4251^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47058457 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (47058467) 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, 32478 + ... + 33895.

It is an arithmetic number, because the mean of its divisors is an integer number (11781385).

Almost surely, 2^47058457 is an apocalyptic number.

It is an amenable number.

47058457 is a deficient number, since it is larger than the sum of its proper divisors (67083).

47058457 is an equidigital number, since it uses as much as digits as its factorization.

47058457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67082.

The product of its (nonzero) digits is 156800, while the sum is 40.

The square root of 47058457 is about 6859.9166904562. The cubic root of 47058457 is about 361.0321638610.

The spelling of 47058457 in words is "forty-seven million, fifty-eight thousand, four hundred fifty-seven".