53401843 has 8 divisors (see below), whose sum is σ = 58327920. Its totient is φ = 48487680.

The previous prime is 53401807. The next prime is 53401853. The reversal of 53401843 is 34810435.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53401843 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53401853) 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, 8263 + ... + 13231.

It is an arithmetic number, because the mean of its divisors is an integer number (7290990).

Almost surely, 2^53401843 is an apocalyptic number.

53401843 is a deficient number, since it is larger than the sum of its proper divisors (4926077).

53401843 is a wasteful number, since it uses less digits than its factorization.

53401843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5957.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 53401843 is about 7307.6564642846. The cubic root of 53401843 is about 376.5755177504.

It can be divided in two parts, 534018 and 43, that added together give a triangular number (534061 = T₁₀₃₃).

The spelling of 53401843 in words is "fifty-three million, four hundred one thousand, eight hundred forty-three".