55250565443425 has 24 divisors (see below), whose sum is σ = 75036711530592. Its totient is φ = 40022140800000.

The previous prime is 55250565443419. The next prime is 55250565443429. The reversal of 55250565443425 is 52434456505255.

It is not a de Polignac number, because 55250565443425 - 2¹⁷ = 55250565312353 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55250565443429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 400152384 + ... + 400290433.

It is an arithmetic number, because the mean of its divisors is an integer number (3126529647108).

Almost surely, 2^{55250565443425} is an apocalyptic number.

55250565443425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55250565443425 is a deficient number, since it is larger than the sum of its proper divisors (19786146087167).

55250565443425 is a wasteful number, since it uses less digits than its factorization.

55250565443425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800443089 (or 800443084 counting only the distinct ones).

The product of its (nonzero) digits is 72000000, while the sum is 55.

The spelling of 55250565443425 in words is "fifty-five trillion, two hundred fifty billion, five hundred sixty-five million, four hundred forty-three thousand, four hundred twenty-five".