53499743 has 8 divisors (see below), whose sum is σ = 59941200. Its totient is φ = 47321280.

The previous prime is 53499739. The next prime is 53499841. The reversal of 53499743 is 34799435.

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 53499743 - 2² = 53499739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53499694 and 53499703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53499703) 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, 65318 + ... + 66131.

It is an arithmetic number, because the mean of its divisors is an integer number (7492650).

Almost surely, 2^53499743 is an apocalyptic number.

53499743 is a deficient number, since it is larger than the sum of its proper divisors (6441457).

53499743 is a wasteful number, since it uses less digits than its factorization.

53499743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131497.

The product of its digits is 408240, while the sum is 44.

The square root of 53499743 is about 7314.3518509845. The cubic root of 53499743 is about 376.8054988093.

The spelling of 53499743 in words is "fifty-three million, four hundred ninety-nine thousand, seven hundred forty-three".