53397472 has 24 divisors (see below), whose sum is σ = 106063776. Its totient is φ = 26460672.

The previous prime is 53397451. The next prime is 53397479. The reversal of 53397472 is 27479335.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53397479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3768 + ... + 10999.

It is an arithmetic number, because the mean of its divisors is an integer number (4419324).

Almost surely, 2^53397472 is an apocalyptic number.

It is an amenable number.

53397472 is a deficient number, since it is larger than the sum of its proper divisors (52666304).

53397472 is a wasteful number, since it uses less digits than its factorization.

53397472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14890 (or 14882 counting only the distinct ones).

The product of its digits is 158760, while the sum is 40.

The square root of 53397472 is about 7307.3573882766. The cubic root of 53397472 is about 376.5652430957.

The spelling of 53397472 in words is "fifty-three million, three hundred ninety-seven thousand, four hundred seventy-two".