47021853 has 8 divisors (see below), whose sum is σ = 63111616. Its totient is φ = 31140000.

The previous prime is 47021851. The next prime is 47021861. The reversal of 47021853 is 35812074.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47021853 - 2¹ = 47021851 is a prime.

It is a super-2 number, since 2×47021853² = 4422109319107218, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 47021853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47021851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51448 + ... + 52353.

It is an arithmetic number, because the mean of its divisors is an integer number (7888952).

Almost surely, 2^47021853 is an apocalyptic number.

It is an amenable number.

47021853 is a deficient number, since it is larger than the sum of its proper divisors (16089763).

47021853 is a wasteful number, since it uses less digits than its factorization.

47021853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103955.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 47021853 is about 6857.2482090121. The cubic root of 47021853 is about 360.9385310328.

It can be divided in two parts, 47021 and 853, that added together give a palindrome (47874).

The spelling of 47021853 in words is "forty-seven million, twenty-one thousand, eight hundred fifty-three".