53503743 has 8 divisors (see below), whose sum is σ = 75534768. Its totient is φ = 33570944.

The previous prime is 53503733. The next prime is 53503757. The reversal of 53503743 is 34730535.

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 53503743 - 2¹² = 53499647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53503743.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53503733) 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, 524496 + ... + 524597.

It is an arithmetic number, because the mean of its divisors is an integer number (9441846).

Almost surely, 2^53503743 is an apocalyptic number.

53503743 is a deficient number, since it is larger than the sum of its proper divisors (22031025).

53503743 is a wasteful number, since it uses less digits than its factorization.

53503743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049113.

The product of its (nonzero) digits is 18900, while the sum is 30.

The square root of 53503743 is about 7314.6252809013. The cubic root of 53503743 is about 376.8148894117.

The spelling of 53503743 in words is "fifty-three million, five hundred three thousand, seven hundred forty-three".