53277697 has 4 divisors (see below), whose sum is σ = 58121136. Its totient is φ = 48434260.

The previous prime is 53277671. The next prime is 53277709. The reversal of 53277697 is 79677235.

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.

It is a cyclic number.

It is not a de Polignac number, because 53277697 - 2¹⁵ = 53244929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53277647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2421703 + ... + 2421724.

It is an arithmetic number, because the mean of its divisors is an integer number (14530284).

Almost surely, 2^53277697 is an apocalyptic number.

It is an amenable number.

53277697 is a deficient number, since it is larger than the sum of its proper divisors (4843439).

53277697 is a wasteful number, since it uses less digits than its factorization.

53277697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843438.

The product of its digits is 555660, while the sum is 46.

The square root of 53277697 is about 7299.1572801249. The cubic root of 53277697 is about 376.2834765267.

The spelling of 53277697 in words is "fifty-three million, two hundred seventy-seven thousand, six hundred ninety-seven".