53500851 has 8 divisors (see below), whose sum is σ = 79260560. Its totient is φ = 35667216.

The previous prime is 53500849. The next prime is 53500877. The reversal of 53500851 is 15800535.

It is not a de Polignac number, because 53500851 - 2¹ = 53500849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1981513 = 53500851 / (5 + 3 + 5 + 0 + 0 + 8 + 5 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53500831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990730 + ... + 990783.

It is an arithmetic number, because the mean of its divisors is an integer number (9907570).

Almost surely, 2^53500851 is an apocalyptic number.

53500851 is a deficient number, since it is larger than the sum of its proper divisors (25759709).

53500851 is a wasteful number, since it uses less digits than its factorization.

53500851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1981522 (or 1981516 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 53500851 is about 7314.4275920950. The cubic root of 53500851 is about 376.8081000531.

The spelling of 53500851 in words is "fifty-three million, five hundred thousand, eight hundred fifty-one".