53821942 has 8 divisors (see below), whose sum is σ = 81095616. Its totient is φ = 26790072.

The previous prime is 53821913. The next prime is 53821967. The reversal of 53821942 is 24912835.

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 = 53821898 and 53821907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59893 + ... + 60784.

It is an arithmetic number, because the mean of its divisors is an integer number (10136952).

Almost surely, 2^53821942 is an apocalyptic number.

53821942 is a deficient number, since it is larger than the sum of its proper divisors (27273674).

53821942 is a wasteful number, since it uses less digits than its factorization.

53821942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120902.

The product of its digits is 17280, while the sum is 34.

The square root of 53821942 is about 7336.3439123313. The cubic root of 53821942 is about 377.5604148735.

The spelling of 53821942 in words is "fifty-three million, eight hundred twenty-one thousand, nine hundred forty-two".