53613642 has 8 divisors (see below), whose sum is σ = 107227296. Its totient is φ = 17871212.

The previous prime is 53613619. The next prime is 53613643. The reversal of 53613642 is 24631635.

It is a sphenic number, since it is the product of 3 distinct primes.

53613642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (53613643) 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, 4467798 + ... + 4467809.

It is an arithmetic number, because the mean of its divisors is an integer number (13403412).

Almost surely, 2^53613642 is an apocalyptic number.

53613642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

53613642 is a wasteful number, since it uses less digits than its factorization.

53613642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8935612.

The product of its digits is 12960, while the sum is 30.

The square root of 53613642 is about 7322.1337054167. The cubic root of 53613642 is about 377.0727109882.

The spelling of 53613642 in words is "fifty-three million, six hundred thirteen thousand, six hundred forty-two".