53723377773 has 24 divisors (see below), whose sum is σ = 83596549400. Its totient is φ = 33049918080.

The previous prime is 53723377663. The next prime is 53723377783. The reversal of 53723377773 is 37777332735.

It is a happy number.

53723377773 is a `hidden beast` number, since 537 + 2 + 3 + 37 + 7 + 7 + 73 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9753129 + 53713624644 = 3123^2 + 231762^2 .

It is not a de Polignac number, because 53723377773 - 2¹⁴ = 53723361389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53723377783) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300003 + ... + 444351.

Almost surely, 2^53723377773 is an apocalyptic number.

It is an amenable number.

53723377773 is a deficient number, since it is larger than the sum of its proper divisors (29873171627).

53723377773 is a wasteful number, since it uses less digits than its factorization.

53723377773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147549 (or 147546 counting only the distinct ones).

The product of its digits is 13613670, while the sum is 54.

The spelling of 53723377773 in words is "fifty-three billion, seven hundred twenty-three million, three hundred seventy-seven thousand, seven hundred seventy-three".