53957605 has 8 divisors (see below), whose sum is σ = 69729912. Its totient is φ = 39845568.

The previous prime is 53957597. The next prime is 53957621. The reversal of 53957605 is 50675935.

It can be written as a sum of positive squares in 4 ways, for example, as 12574116 + 41383489 = 3546^2 + 6433^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53957605 - 2³ = 53957597 is a prime.

It is a super-2 number, since 2×53957605² = 5822846274672050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414994 + ... + 415123.

It is an arithmetic number, because the mean of its divisors is an integer number (8716239).

Almost surely, 2^53957605 is an apocalyptic number.

It is an amenable number.

53957605 is a deficient number, since it is larger than the sum of its proper divisors (15772307).

53957605 is a wasteful number, since it uses less digits than its factorization.

53957605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830135.

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 53957605 is about 7345.5840475758. The cubic root of 53957605 is about 377.8773736029.

The spelling of 53957605 in words is "fifty-three million, nine hundred fifty-seven thousand, six hundred five".