53080665 has 64 divisors (see below), whose sum is σ = 98537472. Its totient is φ = 24147200.

The previous prime is 53080639. The next prime is 53080693. The reversal of 53080665 is 56608035.

It is not a de Polignac number, because 53080665 - 2⁵ = 53080633 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 269347 + ... + 269543.

It is an arithmetic number, because the mean of its divisors is an integer number (1539648).

Almost surely, 2^53080665 is an apocalyptic number.

53080665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53080665 is a deficient number, since it is larger than the sum of its proper divisors (45456807).

53080665 is a wasteful number, since it uses less digits than its factorization.

53080665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310.

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 53080665 is about 7285.6478778486. The cubic root of 53080665 is about 375.8190453590.

The spelling of 53080665 in words is "fifty-three million, eighty thousand, six hundred sixty-five".