53433917 has 4 divisors (see below), whose sum is σ = 53787936. Its totient is φ = 53079900.

The previous prime is 53433893. The next prime is 53433967. The reversal of 53433917 is 71933435.

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 53433917 - 2¹² = 53429821 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 (53433967) 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, 176783 + ... + 177084.

It is an arithmetic number, because the mean of its divisors is an integer number (13446984).

Almost surely, 2^53433917 is an apocalyptic number.

It is an amenable number.

53433917 is a deficient number, since it is larger than the sum of its proper divisors (354019).

53433917 is a wasteful number, since it uses less digits than its factorization.

53433917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354018.

The product of its digits is 34020, while the sum is 35.

The square root of 53433917 is about 7309.8506824695. The cubic root of 53433917 is about 376.6508950854.

The spelling of 53433917 in words is "fifty-three million, four hundred thirty-three thousand, nine hundred seventeen".