55404081025 has 12 divisors (see below), whose sum is σ = 68880448512. Its totient is φ = 44207530640.

The previous prime is 55404081023. The next prime is 55404081049. The reversal of 55404081025 is 52018040455.

It is a happy number.

It is not a de Polignac number, because 55404081025 - 2¹ = 55404081023 is a prime.

It is a super-2 number, since 2×55404081025² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55404081023) 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 11 ways as a sum of consecutive naturals, for example, 2883589 + ... + 2902738.

It is an arithmetic number, because the mean of its divisors is an integer number (5740037376).

Almost surely, 2^55404081025 is an apocalyptic number.

It is an amenable number.

55404081025 is a deficient number, since it is larger than the sum of its proper divisors (13476367487).

55404081025 is a wasteful number, since it uses less digits than its factorization.

55404081025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5786720 (or 5786715 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 55404081025 in words is "fifty-five billion, four hundred four million, eighty-one thousand, twenty-five".