53340657 has 48 divisors (see below), whose sum is σ = 82286400. Its totient is φ = 30602880.

The previous prime is 53340653. The next prime is 53340671. The reversal of 53340657 is 75604335.

It is not a de Polignac number, because 53340657 - 2² = 53340653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53340653) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 874407 + ... + 874467.

It is an arithmetic number, because the mean of its divisors is an integer number (1714300).

Almost surely, 2^53340657 is an apocalyptic number.

53340657 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

53340657 is a deficient number, since it is larger than the sum of its proper divisors (28945743).

53340657 is a wasteful number, since it uses less digits than its factorization.

53340657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 135 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 33.

The square root of 53340657 is about 7303.4688333695. The cubic root of 53340657 is about 376.4316403493.

The spelling of 53340657 in words is "fifty-three million, three hundred forty thousand, six hundred fifty-seven".