53928617 has 4 divisors (see below), whose sum is σ = 54166416. Its totient is φ = 53690820.

The previous prime is 53928577. The next prime is 53928619. The reversal of 53928617 is 71682935.

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.

It is a cyclic number.

It is not a de Polignac number, because 53928617 - 2⁸ = 53928361 is a prime.

It is a super-3 number, since 3×53928617³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53928619) 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, 118559 + ... + 119012.

It is an arithmetic number, because the mean of its divisors is an integer number (13541604).

Almost surely, 2^53928617 is an apocalyptic number.

It is an amenable number.

53928617 is a deficient number, since it is larger than the sum of its proper divisors (237799).

53928617 is a wasteful number, since it uses less digits than its factorization.

53928617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237798.

The product of its digits is 90720, while the sum is 41.

The square root of 53928617 is about 7343.6106242093. The cubic root of 53928617 is about 377.8096916298.

It can be divided in two parts, 53928 and 617, that added together give a palindrome (54545).

The spelling of 53928617 in words is "fifty-three million, nine hundred twenty-eight thousand, six hundred seventeen".