53897736 has 16 divisors (see below), whose sum is σ = 134744400. Its totient is φ = 17965904.

The previous prime is 53897731. The next prime is 53897761. The reversal of 53897736 is 63779835.

It is not an unprimeable number, because it can be changed into a prime (53897731) 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, 1122846 + ... + 1122893.

It is an arithmetic number, because the mean of its divisors is an integer number (8421525).

Almost surely, 2^53897736 is an apocalyptic number.

It is an amenable number.

53897736 is an abundant number, since it is smaller than the sum of its proper divisors (80846664).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53897736 is a wasteful number, since it uses less digits than its factorization.

53897736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2245748 (or 2245744 counting only the distinct ones).

The product of its digits is 952560, while the sum is 48.

The square root of 53897736 is about 7341.5077470503. The cubic root of 53897736 is about 377.7375631421.

The spelling of 53897736 in words is "fifty-three million, eight hundred ninety-seven thousand, seven hundred thirty-six".