55453513571 has 2 divisors, whose sum is σ = 55453513572. Its totient is φ = 55453513570.

The previous prime is 55453513541. The next prime is 55453513597. The reversal of 55453513571 is 17531535455.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55453513571 - 2²² = 55449319267 is a prime.

It is not a weakly prime, because it can be changed into another prime (55453513541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27726756785 + 27726756786.

It is an arithmetic number, because the mean of its divisors is an integer number (27726756786).

Almost surely, 2^55453513571 is an apocalyptic number.

55453513571 is a deficient number, since it is larger than the sum of its proper divisors (1).

55453513571 is an equidigital number, since it uses as much as digits as its factorization.

55453513571 is an evil number, because the sum of its binary digits is even.

The product of its digits is 787500, while the sum is 44.

The spelling of 55453513571 in words is "fifty-five billion, four hundred fifty-three million, five hundred thirteen thousand, five hundred seventy-one".