53500651 has 4 divisors (see below), whose sum is σ = 53536032. Its totient is φ = 53465272.

The previous prime is 53500633. The next prime is 53500661. The reversal of 53500651 is 15600535.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15600535 = 5 ⋅3120107.

It is a cyclic number.

It is not a de Polignac number, because 53500651 - 2⁵ = 53500619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53500661) 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, 15316 + ... + 18481.

It is an arithmetic number, because the mean of its divisors is an integer number (13384008).

Almost surely, 2^53500651 is an apocalyptic number.

53500651 is a deficient number, since it is larger than the sum of its proper divisors (35381).

53500651 is a wasteful number, since it uses less digits than its factorization.

53500651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35380.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 53500651 is about 7314.4139204724. The cubic root of 53500651 is about 376.8076305171.

The spelling of 53500651 in words is "fifty-three million, five hundred thousand, six hundred fifty-one".