53407983 has 8 divisors (see below), whose sum is σ = 73135408. Its totient is φ = 34642944.

The previous prime is 53407979. The next prime is 53407997. The reversal of 53407983 is 38970435.

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

It is not a de Polignac number, because 53407983 - 2² = 53407979 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53407903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240466 + ... + 240687.

It is an arithmetic number, because the mean of its divisors is an integer number (9141926).

Almost surely, 2^53407983 is an apocalyptic number.

53407983 is a deficient number, since it is larger than the sum of its proper divisors (19727425).

53407983 is a wasteful number, since it uses less digits than its factorization.

53407983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 481193.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 53407983 is about 7308.0765595333. The cubic root of 53407983 is about 376.5899497434.

The spelling of 53407983 in words is "fifty-three million, four hundred seven thousand, nine hundred eighty-three".