55529508479 has 2 divisors, whose sum is σ = 55529508480. Its totient is φ = 55529508478.

The previous prime is 55529508457. The next prime is 55529508533. The reversal of 55529508479 is 97480592555.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55529508479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55529588479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27764754239 + 27764754240.

It is an arithmetic number, because the mean of its divisors is an integer number (27764754240).

Almost surely, 2^55529508479 is an apocalyptic number.

55529508479 is a deficient number, since it is larger than the sum of its proper divisors (1).

55529508479 is an equidigital number, since it uses as much as digits as its factorization.

55529508479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680000, while the sum is 59.

The spelling of 55529508479 in words is "fifty-five billion, five hundred twenty-nine million, five hundred eight thousand, four hundred seventy-nine".