53638501 has 32 divisors (see below), whose sum is σ = 67415040. Its totient is φ = 41658624.

The previous prime is 53638499. The next prime is 53638561. The reversal of 53638501 is 10583635.

It is not a de Polignac number, because 53638501 - 2¹ = 53638499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53638561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 474621 + ... + 474733.

It is an arithmetic number, because the mean of its divisors is an integer number (2106720).

Almost surely, 2^53638501 is an apocalyptic number.

It is an amenable number.

53638501 is a deficient number, since it is larger than the sum of its proper divisors (13776539).

53638501 is a wasteful number, since it uses less digits than its factorization.

53638501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 53638501 is about 7323.8310330045. The cubic root of 53638501 is about 377.1309809968.

The spelling of 53638501 in words is "fifty-three million, six hundred thirty-eight thousand, five hundred one".