53276397 has 4 divisors (see below), whose sum is σ = 71035200. Its totient is φ = 35517596.

The previous prime is 53276371. The next prime is 53276401. The reversal of 53276397 is 79367235.

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 a de Polignac number, because none of the positive numbers 2^k-53276397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53276347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8879397 + ... + 8879402.

It is an arithmetic number, because the mean of its divisors is an integer number (17758800).

Almost surely, 2^53276397 is an apocalyptic number.

It is an amenable number.

53276397 is a deficient number, since it is larger than the sum of its proper divisors (17758803).

53276397 is a wasteful number, since it uses less digits than its factorization.

53276397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17758802.

The product of its digits is 238140, while the sum is 42.

The square root of 53276397 is about 7299.0682282056. The cubic root of 53276397 is about 376.2804160060.

The spelling of 53276397 in words is "fifty-three million, two hundred seventy-six thousand, three hundred ninety-seven".