55261426025 has 24 divisors (see below), whose sum is σ = 73851695064. Its totient is φ = 40777228800.

The previous prime is 55261426007. The next prime is 55261426027. The reversal of 55261426025 is 52062416255.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 10728609241 + 44532816784 = 103579^2 + 211028^2 .

It is not a de Polignac number, because 55261426025 - 2¹⁰ = 55261425001 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55261426025.

It is not an unprimeable number, because it can be changed into a prime (55261426027) 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, 364967 + ... + 493683.

It is an arithmetic number, because the mean of its divisors is an integer number (3077153961).

Almost surely, 2^55261426025 is an apocalyptic number.

It is an amenable number.

55261426025 is a deficient number, since it is larger than the sum of its proper divisors (18590269039).

55261426025 is a wasteful number, since it uses less digits than its factorization.

55261426025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130061 (or 130056 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 55261426025 in words is "fifty-five billion, two hundred sixty-one million, four hundred twenty-six thousand, twenty-five".