53537889 has 8 divisors (see below), whose sum is σ = 72120160. Its totient is φ = 35323776.

The previous prime is 53537867. The next prime is 53537917. The reversal of 53537889 is 98873535.

It is a happy number.

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

It is not a de Polignac number, because 53537889 - 2⁷ = 53537761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53537789) 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, 91699 + ... + 92280.

It is an arithmetic number, because the mean of its divisors is an integer number (9015020).

Almost surely, 2^53537889 is an apocalyptic number.

It is an amenable number.

53537889 is a deficient number, since it is larger than the sum of its proper divisors (18582271).

53537889 is a wasteful number, since it uses less digits than its factorization.

53537889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184079.

The product of its digits is 907200, while the sum is 48.

The square root of 53537889 is about 7316.9589994751. The cubic root of 53537889 is about 376.8950332439.

The spelling of 53537889 in words is "fifty-three million, five hundred thirty-seven thousand, eight hundred eighty-nine".