55470358637 has 2 divisors, whose sum is σ = 55470358638. Its totient is φ = 55470358636.

The previous prime is 55470358633. The next prime is 55470358693. The reversal of 55470358637 is 73685307455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42725303401 + 12745055236 = 206701^2 + 112894^2 .

It is a cyclic number.

It is not a de Polignac number, because 55470358637 - 2² = 55470358633 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55470358633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27735179318 + 27735179319.

It is an arithmetic number, because the mean of its divisors is an integer number (27735179319).

Almost surely, 2^55470358637 is an apocalyptic number.

It is an amenable number.

55470358637 is a deficient number, since it is larger than the sum of its proper divisors (1).

55470358637 is an equidigital number, since it uses as much as digits as its factorization.

55470358637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584000, while the sum is 53.

The spelling of 55470358637 in words is "fifty-five billion, four hundred seventy million, three hundred fifty-eight thousand, six hundred thirty-seven".