55760074021 has 2 divisors, whose sum is σ = 55760074022. Its totient is φ = 55760074020.

The previous prime is 55760073983. The next prime is 55760074033. The reversal of 55760074021 is 12047006755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49057377121 + 6702696900 = 221489^2 + 81870^2 .

It is a cyclic number.

It is not a de Polignac number, because 55760074021 - 2¹¹ = 55760071973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55760074061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27880037010 + 27880037011.

It is an arithmetic number, because the mean of its divisors is an integer number (27880037011).

Almost surely, 2^55760074021 is an apocalyptic number.

It is an amenable number.

55760074021 is a deficient number, since it is larger than the sum of its proper divisors (1).

55760074021 is an equidigital number, since it uses as much as digits as its factorization.

55760074021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The spelling of 55760074021 in words is "fifty-five billion, seven hundred sixty million, seventy-four thousand, twenty-one".