53883917 has 4 divisors (see below), whose sum is σ = 56226720. Its totient is φ = 51541116.

The previous prime is 53883911. The next prime is 53883961. The reversal of 53883917 is 71938835.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71938835 = 5 ⋅14387767.

It is a cyclic number.

It is not a de Polignac number, because 53883917 - 2⁴ = 53883901 is a prime.

It is a super-2 number, since 2×53883917² = 5806953022525778, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53883911) 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, 1171367 + ... + 1171412.

It is an arithmetic number, because the mean of its divisors is an integer number (14056680).

Almost surely, 2^53883917 is an apocalyptic number.

It is an amenable number.

53883917 is a deficient number, since it is larger than the sum of its proper divisors (2342803).

53883917 is a wasteful number, since it uses less digits than its factorization.

53883917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2342802.

The product of its digits is 181440, while the sum is 44.

The square root of 53883917 is about 7340.5665312699. The cubic root of 53883917 is about 377.7052772988.

The spelling of 53883917 in words is "fifty-three million, eight hundred eighty-three thousand, nine hundred seventeen".