55245604425 has 48 divisors (see below), whose sum is σ = 99714838080. Its totient is φ = 26766432000.

The previous prime is 55245604417. The next prime is 55245604459. The reversal of 55245604425 is 52440654255.

It is a happy number.

It is not a de Polignac number, because 55245604425 - 2³ = 55245604417 is a prime.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1155495 + ... + 1202355.

It is an arithmetic number, because the mean of its divisors is an integer number (2077392460).

Almost surely, 2^55245604425 is an apocalyptic number.

55245604425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55245604425 is a deficient number, since it is larger than the sum of its proper divisors (44469233655).

55245604425 is a wasteful number, since it uses less digits than its factorization.

55245604425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48314 (or 48309 counting only the distinct ones).

The product of its (nonzero) digits is 960000, while the sum is 42.

The spelling of 55245604425 in words is "fifty-five billion, two hundred forty-five million, six hundred four thousand, four hundred twenty-five".