53699697 has 12 divisors (see below), whose sum is σ = 78549120. Its totient is φ = 35346168.

The previous prime is 53699671. The next prime is 53699699. The reversal of 53699697 is 79699635.

53699697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53699697 - 2¹¹ = 53697649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53699699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37053 + ... + 38474.

It is an arithmetic number, because the mean of its divisors is an integer number (6545760).

Almost surely, 2^53699697 is an apocalyptic number.

It is an amenable number.

53699697 is a deficient number, since it is larger than the sum of its proper divisors (24849423).

53699697 is a wasteful number, since it uses less digits than its factorization.

53699697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75612 (or 75609 counting only the distinct ones).

The product of its digits is 2755620, while the sum is 54.

The square root of 53699697 is about 7328.0077101488. The cubic root of 53699697 is about 377.2743490114.

The spelling of 53699697 in words is "fifty-three million, six hundred ninety-nine thousand, six hundred ninety-seven".