53807087 has 4 divisors (see below), whose sum is σ = 54300840. Its totient is φ = 53313336.

The previous prime is 53807081. The next prime is 53807099. The reversal of 53807087 is 78070835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53807087 - 2²⁴ = 37029871 is a prime.

It is a super-2 number, since 2×53807087² = 5790405222851138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53807087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53807081) 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, 246713 + ... + 246930.

It is an arithmetic number, because the mean of its divisors is an integer number (13575210).

Almost surely, 2^53807087 is an apocalyptic number.

53807087 is a deficient number, since it is larger than the sum of its proper divisors (493753).

53807087 is a wasteful number, since it uses less digits than its factorization.

53807087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493752.

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 53807087 is about 7335.3314171890. The cubic root of 53807087 is about 377.5256757824.

The spelling of 53807087 in words is "fifty-three million, eight hundred seven thousand, eighty-seven".