53831445 has 8 divisors (see below), whose sum is σ = 86130336. Its totient is φ = 28710096.

The previous prime is 53831413. The next prime is 53831489. The reversal of 53831445 is 54413835.

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

It is not a de Polignac number, because 53831445 - 2⁵ = 53831413 is a prime.

It is a super-3 number, since 3×53831445³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1794367 + ... + 1794396.

It is an arithmetic number, because the mean of its divisors is an integer number (10766292).

Almost surely, 2^53831445 is an apocalyptic number.

It is an amenable number.

53831445 is a deficient number, since it is larger than the sum of its proper divisors (32298891).

53831445 is a wasteful number, since it uses less digits than its factorization.

53831445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3588771.

The product of its digits is 28800, while the sum is 33.

The square root of 53831445 is about 7336.9915496748. The cubic root of 53831445 is about 377.5826347176.

The spelling of 53831445 in words is "fifty-three million, eight hundred thirty-one thousand, four hundred forty-five".