53407807 has 4 divisors (see below), whose sum is σ = 53423656. Its totient is φ = 53391960.

The previous prime is 53407799. The next prime is 53407813. The reversal of 53407807 is 70870435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70870435 = 5 ⋅14174087.

It is a cyclic number.

It is not a de Polignac number, because 53407807 - 2³ = 53407799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53407847) 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, 633 + ... + 10354.

It is an arithmetic number, because the mean of its divisors is an integer number (13355914).

Almost surely, 2^53407807 is an apocalyptic number.

53407807 is a deficient number, since it is larger than the sum of its proper divisors (15849).

53407807 is a wasteful number, since it uses less digits than its factorization.

53407807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15848.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 53407807 is about 7308.0645180513. The cubic root of 53407807 is about 376.5895360730.

The spelling of 53407807 in words is "fifty-three million, four hundred seven thousand, eight hundred seven".