53628663 has 16 divisors (see below), whose sum is σ = 81398016. Its totient is φ = 31088640.

The previous prime is 53628623. The next prime is 53628683. The reversal of 53628663 is 36682635.

It is a happy number.

It is not a de Polignac number, because 53628663 - 2⁶ = 53628599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53628613) 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, 34570 + ... + 36087.

It is an arithmetic number, because the mean of its divisors is an integer number (5087376).

Almost surely, 2^53628663 is an apocalyptic number.

53628663 is a deficient number, since it is larger than the sum of its proper divisors (27769353).

53628663 is a wasteful number, since it uses less digits than its factorization.

53628663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70694.

The product of its digits is 155520, while the sum is 39.

The square root of 53628663 is about 7323.1593591837. The cubic root of 53628663 is about 377.1079226750.

The spelling of 53628663 in words is "fifty-three million, six hundred twenty-eight thousand, six hundred sixty-three".