53942005 has 8 divisors (see below), whose sum is σ = 69709752. Its totient is φ = 39834048.

The previous prime is 53941981. The next prime is 53942033. The reversal of 53942005 is 50024935.

It can be written as a sum of positive squares in 4 ways, for example, as 154449 + 53787556 = 393^2 + 7334^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 53942005 - 2⁵ = 53941973 is a prime.

It is a Duffinian number.

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, 414874 + ... + 415003.

It is an arithmetic number, because the mean of its divisors is an integer number (8713719).

Almost surely, 2^53942005 is an apocalyptic number.

It is an amenable number.

53942005 is a deficient number, since it is larger than the sum of its proper divisors (15767747).

53942005 is a wasteful number, since it uses less digits than its factorization.

53942005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829895.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 53942005 is about 7344.5221083471. The cubic root of 53942005 is about 377.8409533107.

The spelling of 53942005 in words is "fifty-three million, nine hundred forty-two thousand, five".