55404081023 has 2 divisors, whose sum is σ = 55404081024. Its totient is φ = 55404081022.

The previous prime is 55404080971. The next prime is 55404081049. The reversal of 55404081023 is 32018040455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55404081023 - 2¹² = 55404076927 is a prime.

It is a super-2 number, since 2×55404081023² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55404080023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27702040511 + 27702040512.

It is an arithmetic number, because the mean of its divisors is an integer number (27702040512).

Almost surely, 2^55404081023 is an apocalyptic number.

55404081023 is a deficient number, since it is larger than the sum of its proper divisors (1).

55404081023 is an equidigital number, since it uses as much as digits as its factorization.

55404081023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 55404081023 in words is "fifty-five billion, four hundred four million, eighty-one thousand, twenty-three".