53140807 has 4 divisors (see below), whose sum is σ = 53239576. Its totient is φ = 53042040.

The previous prime is 53140757. The next prime is 53140837. The reversal of 53140807 is 70804135.

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 53140807 - 2⁷ = 53140679 is a prime.

It is a super-2 number, since 2×53140807² = 5647890737222498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53140837) 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, 48573 + ... + 49654.

It is an arithmetic number, because the mean of its divisors is an integer number (13309894).

Almost surely, 2^53140807 is an apocalyptic number.

53140807 is a deficient number, since it is larger than the sum of its proper divisors (98769).

53140807 is an equidigital number, since it uses as much as digits as its factorization.

53140807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98768.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 53140807 is about 7289.7741391623. The cubic root of 53140807 is about 375.9609299037.

The spelling of 53140807 in words is "fifty-three million, one hundred forty thousand, eight hundred seven".