55725395573 has 2 divisors, whose sum is σ = 55725395574. Its totient is φ = 55725395572.

The previous prime is 55725395519. The next prime is 55725395623. The reversal of 55725395573 is 37559352755.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44345199889 + 11380195684 = 210583^2 + 106678^2 .

It is a cyclic number.

It is not a de Polignac number, because 55725395573 - 2¹⁴ = 55725379189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55725391573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27862697786 + 27862697787.

It is an arithmetic number, because the mean of its divisors is an integer number (27862697787).

Almost surely, 2^55725395573 is an apocalyptic number.

It is an amenable number.

55725395573 is a deficient number, since it is larger than the sum of its proper divisors (1).

55725395573 is an equidigital number, since it uses as much as digits as its factorization.

55725395573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24806250, while the sum is 56.

The spelling of 55725395573 in words is "fifty-five billion, seven hundred twenty-five million, three hundred ninety-five thousand, five hundred seventy-three".