53351166503 has 16 divisors (see below), whose sum is σ = 55351058400. Its totient is φ = 51382656000.

The previous prime is 53351166469. The next prime is 53351166511. The reversal of 53351166503 is 30566115335.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53351166503 - 2⁸ = 53351166247 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 (53351166553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1929923 + ... + 1957371.

It is an arithmetic number, because the mean of its divisors is an integer number (3459441150).

Almost surely, 2^53351166503 is an apocalyptic number.

53351166503 is a deficient number, since it is larger than the sum of its proper divisors (1999891897).

53351166503 is a wasteful number, since it uses less digits than its factorization.

53351166503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28018.

The product of its (nonzero) digits is 121500, while the sum is 38.

The spelling of 53351166503 in words is "fifty-three billion, three hundred fifty-one million, one hundred sixty-six thousand, five hundred three".