53773373 has 4 divisors (see below), whose sum is σ = 53853948. Its totient is φ = 53692800.

The previous prime is 53773339. The next prime is 53773387. The reversal of 53773373 is 37337735.

It is a happy number.

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 17749369 + 36024004 = 4213^2 + 6002^2 .

It is a cyclic number.

It is not a de Polignac number, because 53773373 - 2¹⁶ = 53707837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53773393) 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, 39278 + ... + 40623.

It is an arithmetic number, because the mean of its divisors is an integer number (13463487).

Almost surely, 2^53773373 is an apocalyptic number.

It is an amenable number.

53773373 is a deficient number, since it is larger than the sum of its proper divisors (80575).

53773373 is an equidigital number, since it uses as much as digits as its factorization.

53773373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80574.

The product of its digits is 138915, while the sum is 38.

The square root of 53773373 is about 7333.0330014258. The cubic root of 53773373 is about 377.4468103356.

The spelling of 53773373 in words is "fifty-three million, seven hundred seventy-three thousand, three hundred seventy-three".