53499673 has 4 divisors (see below), whose sum is σ = 53779968. Its totient is φ = 53219380.

The previous prime is 53499661. The next prime is 53499689. The reversal of 53499673 is 37699435.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53499673 - 2²¹ = 51402521 is a prime.

It is a super-2 number, since 2×53499673² = 5724430022213858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53499643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139861 + ... + 140242.

It is an arithmetic number, because the mean of its divisors is an integer number (13444992).

Almost surely, 2^53499673 is an apocalyptic number.

It is an amenable number.

53499673 is a deficient number, since it is larger than the sum of its proper divisors (280295).

53499673 is a wasteful number, since it uses less digits than its factorization.

53499673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280294.

The product of its digits is 612360, while the sum is 46.

The square root of 53499673 is about 7314.3470658699. The cubic root of 53499673 is about 376.8053344696.

The spelling of 53499673 in words is "fifty-three million, four hundred ninety-nine thousand, six hundred seventy-three".