53638674 has 16 divisors (see below), whose sum is σ = 107360640. Its totient is φ = 17865680.

The previous prime is 53638657. The next prime is 53638679. The reversal of 53638674 is 47683635.

It is not an unprimeable number, because it can be changed into a prime (53638679) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7639 + ... + 12869.

It is an arithmetic number, because the mean of its divisors is an integer number (6710040).

Almost surely, 2^53638674 is an apocalyptic number.

53638674 is an abundant number, since it is smaller than the sum of its proper divisors (53721966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53638674 is a wasteful number, since it uses less digits than its factorization.

53638674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6945.

The product of its digits is 362880, while the sum is 42.

The square root of 53638674 is about 7323.8428437535. The cubic root of 53638674 is about 377.1313864493.

The spelling of 53638674 in words is "fifty-three million, six hundred thirty-eight thousand, six hundred seventy-four".