55395404629 has 2 divisors, whose sum is σ = 55395404630. Its totient is φ = 55395404628.

The previous prime is 55395404539. The next prime is 55395404677. The reversal of 55395404629 is 92640459355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53302342129 + 2093062500 = 230873^2 + 45750^2 .

It is a cyclic number.

It is not a de Polignac number, because 55395404629 - 2⁷ = 55395404501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55395494629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27697702314 + 27697702315.

It is an arithmetic number, because the mean of its divisors is an integer number (27697702315).

Almost surely, 2^55395404629 is an apocalyptic number.

It is an amenable number.

55395404629 is a deficient number, since it is larger than the sum of its proper divisors (1).

55395404629 is an equidigital number, since it uses as much as digits as its factorization.

55395404629 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832000, while the sum is 52.

The spelling of 55395404629 in words is "fifty-five billion, three hundred ninety-five million, four hundred four thousand, six hundred twenty-nine".