53039697 has 32 divisors (see below), whose sum is σ = 77051520. Its totient is φ = 32348160.

The previous prime is 53039663. The next prime is 53039713. The reversal of 53039697 is 79693035.

It is not a de Polignac number, because 53039697 - 2¹⁰ = 53038673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53039647) 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 31 ways as a sum of consecutive naturals, for example, 292947 + ... + 293127.

It is an arithmetic number, because the mean of its divisors is an integer number (2407860).

Almost surely, 2^53039697 is an apocalyptic number.

53039697 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

53039697 is a deficient number, since it is larger than the sum of its proper divisors (24011823).

53039697 is a wasteful number, since it uses less digits than its factorization.

53039697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353.

The product of its (nonzero) digits is 153090, while the sum is 42.

The square root of 53039697 is about 7282.8357801065. The cubic root of 53039697 is about 375.7223339520.

The spelling of 53039697 in words is "fifty-three million, thirty-nine thousand, six hundred ninety-seven".