47051357 has 4 divisors (see below), whose sum is σ = 47072316. Its totient is φ = 47030400.

The previous prime is 47051293. The next prime is 47051377. The reversal of 47051357 is 75315074.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 75315074 = 2 ⋅37657537.

It can be written as a sum of positive squares in 2 ways, for example, as 20693401 + 26357956 = 4549^2 + 5134^2 .

It is a cyclic number.

It is not a de Polignac number, because 47051357 - 2⁶ = 47051293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47051377) 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, 6644 + ... + 11757.

It is an arithmetic number, because the mean of its divisors is an integer number (11768079).

Almost surely, 2^47051357 is an apocalyptic number.

It is an amenable number.

47051357 is a deficient number, since it is larger than the sum of its proper divisors (20959).

47051357 is a wasteful number, since it uses less digits than its factorization.

47051357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20958.

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 47051357 is about 6859.3991719392. The cubic root of 47051357 is about 361.0140058971.

The spelling of 47051357 in words is "forty-seven million, fifty-one thousand, three hundred fifty-seven".