53423073 has 18 divisors (see below), whose sum is σ = 84821282. Its totient is φ = 32376960.

The previous prime is 53423057. The next prime is 53423081. The reversal of 53423073 is 37032435.

It can be written as a sum of positive squares in only one way, i.e., 50808384 + 2614689 = 7128^2 + 1617^2 .

It is not a de Polignac number, because 53423073 - 2⁴ = 53423057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53423023) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 23440 + ... + 25617.

Almost surely, 2^53423073 is an apocalyptic number.

It is an amenable number.

53423073 is a deficient number, since it is larger than the sum of its proper divisors (31398209).

53423073 is a wasteful number, since it uses less digits than its factorization.

53423073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49085 (or 49071 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 27.

The square root of 53423073 is about 7309.1089060158. The cubic root of 53423073 is about 376.6254139000.

The spelling of 53423073 in words is "fifty-three million, four hundred twenty-three thousand, seventy-three".