53423777255625 has 200 divisors, whose sum is σ = 114726826763648. Its totient is φ = 24260536800000.

The previous prime is 53423777255623. The next prime is 53423777255647. The reversal of 53423777255625 is 52655277732435.

It is a happy number.

53423777255625 is a `hidden beast` number, since 5 + 3 + 4 + 2 + 3 + 7 + 7 + 72 + 556 + 2 + 5 = 666.

It is not a de Polignac number, because 53423777255625 - 2¹ = 53423777255623 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53423777255623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 199 ways as a sum of consecutive naturals, for example, 53011437 + ... + 54009813.

Almost surely, 2^{53423777255625} is an apocalyptic number.

It is an amenable number.

53423777255625 is an abundant number, since it is smaller than the sum of its proper divisors (61303049508023).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53423777255625 is an equidigital number, since it uses as much as digits as its factorization.

53423777255625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998567 (or 998543 counting only the distinct ones).

The product of its digits is 370440000, while the sum is 63.

The spelling of 53423777255625 in words is "fifty-three trillion, four hundred twenty-three billion, seven hundred seventy-seven million, two hundred fifty-five thousand, six hundred twenty-five".