53881847 has 8 divisors (see below), whose sum is σ = 56332800. Its totient is φ = 51439960.

The previous prime is 53881843. The next prime is 53881897. The reversal of 53881847 is 74818835.

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

It is not a de Polignac number, because 53881847 - 2² = 53881843 is a prime.

It is a super-2 number, since 2×53881847² = 5806506872262818, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53881798 and 53881807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53881843) 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, 11822 + ... + 15732.

It is an arithmetic number, because the mean of its divisors is an integer number (7041600).

Almost surely, 2^53881847 is an apocalyptic number.

53881847 is a deficient number, since it is larger than the sum of its proper divisors (2450953).

53881847 is a wasteful number, since it uses less digits than its factorization.

53881847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4533.

The product of its digits is 215040, while the sum is 44.

The square root of 53881847 is about 7340.4255326241. The cubic root of 53881847 is about 377.7004406055.

The spelling of 53881847 in words is "fifty-three million, eight hundred eighty-one thousand, eight hundred forty-seven".