53398927 has 4 divisors (see below), whose sum is σ = 53456616. Its totient is φ = 53341240.

The previous prime is 53398903. The next prime is 53398979. The reversal of 53398927 is 72989335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72989335 = 5 ⋅14597867.

It is a cyclic number.

It is not a de Polignac number, because 53398927 - 2¹¹ = 53396879 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53398327) 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, 27433 + ... + 29314.

It is an arithmetic number, because the mean of its divisors is an integer number (13364154).

Almost surely, 2^53398927 is an apocalyptic number.

53398927 is a deficient number, since it is larger than the sum of its proper divisors (57689).

53398927 is an equidigital number, since it uses as much as digits as its factorization.

53398927 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57688.

The product of its digits is 408240, while the sum is 46.

The square root of 53398927 is about 7307.4569447928. The cubic root of 53398927 is about 376.5686633416.

The spelling of 53398927 in words is "fifty-three million, three hundred ninety-eight thousand, nine hundred twenty-seven".