53447042 has 8 divisors (see below), whose sum is σ = 87458832. Its totient is φ = 24294100.

The previous prime is 53447033. The next prime is 53447047. The reversal of 53447042 is 24074435.

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

It is a junction number, because it is equal to n+sod(n) for n = 53446996 and 53447014.

It is not an unprimeable number, because it can be changed into a prime (53447047) 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, 1214684 + ... + 1214727.

It is an arithmetic number, because the mean of its divisors is an integer number (10932354).

Almost surely, 2^53447042 is an apocalyptic number.

53447042 is a deficient number, since it is larger than the sum of its proper divisors (34011790).

53447042 is a wasteful number, since it uses less digits than its factorization.

53447042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2429424.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 53447042 is about 7310.7483885031. The cubic root of 53447042 is about 376.6817315439.

The spelling of 53447042 in words is "fifty-three million, four hundred forty-seven thousand, forty-two".