53801619 has 8 divisors (see below), whose sum is σ = 71807232. Its totient is φ = 35831880.

The previous prime is 53801611. The next prime is 53801621. The reversal of 53801619 is 91610835.

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

It is not a de Polignac number, because 53801619 - 2³ = 53801611 is a prime.

It is a super-2 number, since 2×53801619² = 5789228414042322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53801619.

It is not an unprimeable number, because it can be changed into a prime (53801611) 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, 5247 + ... + 11624.

It is an arithmetic number, because the mean of its divisors is an integer number (8975904).

Almost surely, 2^53801619 is an apocalyptic number.

53801619 is a deficient number, since it is larger than the sum of its proper divisors (18005613).

53801619 is a wasteful number, since it uses less digits than its factorization.

53801619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17937.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 53801619 is about 7334.9586910902. The cubic root of 53801619 is about 377.5128870065.

The spelling of 53801619 in words is "fifty-three million, eight hundred one thousand, six hundred nineteen".