47957803 has 4 divisors (see below), whose sum is σ = 47974680. Its totient is φ = 47940928.

The previous prime is 47957761. The next prime is 47957807. The reversal of 47957803 is 30875974.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30875974 = 2 ⋅15437987.

It is a cyclic number.

It is not a de Polignac number, because 47957803 - 2¹³ = 47949611 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47957803.

It is not an unprimeable number, because it can be changed into a prime (47957807) 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, 3013 + ... + 10246.

It is an arithmetic number, because the mean of its divisors is an integer number (11993670).

Almost surely, 2^47957803 is an apocalyptic number.

47957803 is a deficient number, since it is larger than the sum of its proper divisors (16877).

47957803 is a wasteful number, since it uses less digits than its factorization.

47957803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16876.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 47957803 is about 6925.1572545322. The cubic root of 47957803 is about 363.3175914586.

The spelling of 47957803 in words is "forty-seven million, nine hundred fifty-seven thousand, eight hundred three".