47054457 has 6 divisors (see below), whose sum is σ = 67967562. Its totient is φ = 31369632.

The previous prime is 47054437. The next prime is 47054459. The reversal of 47054457 is 75445074.

It can be written as a sum of positive squares in only one way, i.e., 38638656 + 8415801 = 6216^2 + 2901^2 .

It is a de Polignac number, because none of the positive numbers 2^k-47054457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47054459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2614128 + ... + 2614145.

It is an arithmetic number, because the mean of its divisors is an integer number (11327927).

Almost surely, 2^47054457 is an apocalyptic number.

It is an amenable number.

47054457 is a deficient number, since it is larger than the sum of its proper divisors (20913105).

47054457 is a wasteful number, since it uses less digits than its factorization.

47054457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5228279 (or 5228276 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 47054457 is about 6859.6251355304. The cubic root of 47054457 is about 361.0219342468.

The spelling of 47054457 in words is "forty-seven million, fifty-four thousand, four hundred fifty-seven".