53953765 has 8 divisors (see below), whose sum is σ = 64817280. Its totient is φ = 43114512.

The previous prime is 53953741. The next prime is 53953793. The reversal of 53953765 is 56735935.

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 53953765 - 2⁷ = 53953637 is a prime.

It is a super-2 number, since 2×53953765² = 5822017515350450, which contains 22 as substring.

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, 745 + ... + 10414.

It is an arithmetic number, because the mean of its divisors is an integer number (8102160).

Almost surely, 2^53953765 is an apocalyptic number.

It is an amenable number.

53953765 is a deficient number, since it is larger than the sum of its proper divisors (10863515).

53953765 is a wasteful number, since it uses less digits than its factorization.

53953765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12131.

The product of its digits is 425250, while the sum is 43.

The square root of 53953765 is about 7345.3226613948. The cubic root of 53953765 is about 377.8684092592.

The spelling of 53953765 in words is "fifty-three million, nine hundred fifty-three thousand, seven hundred sixty-five".