53773673 has 4 divisors (see below), whose sum is σ = 55085268. Its totient is φ = 52462080.

The previous prime is 53773651. The next prime is 53773697. The reversal of 53773673 is 37637735.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2679769 + 51093904 = 1637^2 + 7148^2 .

It is a cyclic number.

It is not a de Polignac number, because 53773673 - 2²⁴ = 36996457 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1311553 = 53773673 / (5 + 3 + 7 + 7 + 3 + 6 + 7 + 3).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53773673.

It is not an unprimeable number, because it can be changed into a prime (53773633) 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, 655736 + ... + 655817.

It is an arithmetic number, because the mean of its divisors is an integer number (13771317).

Almost surely, 2^53773673 is an apocalyptic number.

It is an amenable number.

53773673 is a deficient number, since it is larger than the sum of its proper divisors (1311595).

53773673 is a wasteful number, since it uses less digits than its factorization.

53773673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1311594.

The product of its digits is 277830, while the sum is 41.

The square root of 53773673 is about 7333.0534567805. The cubic root of 53773673 is about 377.4475122557.

The spelling of 53773673 in words is "fifty-three million, seven hundred seventy-three thousand, six hundred seventy-three".