53151663 has 4 divisors (see below), whose sum is σ = 70868888. Its totient is φ = 35434440.

The previous prime is 53151661. The next prime is 53151691. The reversal of 53151663 is 36615135.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 53151663 - 2¹ = 53151661 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53151663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53151661) 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, 8858608 + ... + 8858613.

It is an arithmetic number, because the mean of its divisors is an integer number (17717222).

Almost surely, 2^53151663 is an apocalyptic number.

53151663 is a deficient number, since it is larger than the sum of its proper divisors (17717225).

53151663 is a wasteful number, since it uses less digits than its factorization.

53151663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17717224.

The product of its digits is 8100, while the sum is 30.

The square root of 53151663 is about 7290.5187058261. The cubic root of 53151663 is about 375.9865295272.

Adding to 53151663 its reverse (36615135), we get a palindrome (89766798).

The spelling of 53151663 in words is "fifty-three million, one hundred fifty-one thousand, six hundred sixty-three".