55925385149 has 2 divisors, whose sum is σ = 55925385150. Its totient is φ = 55925385148.

The previous prime is 55925385133. The next prime is 55925385161. The reversal of 55925385149 is 94158352955.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53745148900 + 2180236249 = 231830^2 + 46693^2 .

It is a cyclic number.

It is not a de Polignac number, because 55925385149 - 2⁴ = 55925385133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55925385094 and 55925385103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55925385749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27962692574 + 27962692575.

It is an arithmetic number, because the mean of its divisors is an integer number (27962692575).

Almost surely, 2^55925385149 is an apocalyptic number.

It is an amenable number.

55925385149 is a deficient number, since it is larger than the sum of its proper divisors (1).

55925385149 is an equidigital number, since it uses as much as digits as its factorization.

55925385149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720000, while the sum is 56.

The spelling of 55925385149 in words is "fifty-five billion, nine hundred twenty-five million, three hundred eighty-five thousand, one hundred forty-nine".