55325533457 has 2 divisors, whose sum is σ = 55325533458. Its totient is φ = 55325533456.

The previous prime is 55325533451. The next prime is 55325533579. The reversal of 55325533457 is 75433552355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38353697281 + 16971836176 = 195841^2 + 130276^2 .

It is a cyclic number.

It is not a de Polignac number, because 55325533457 - 2⁴ = 55325533441 is a prime.

It is not a weakly prime, because it can be changed into another prime (55325533451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27662766728 + 27662766729.

It is an arithmetic number, because the mean of its divisors is an integer number (27662766729).

Almost surely, 2^55325533457 is an apocalyptic number.

It is an amenable number.

55325533457 is a deficient number, since it is larger than the sum of its proper divisors (1).

55325533457 is an equidigital number, since it uses as much as digits as its factorization.

55325533457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4725000, while the sum is 47.

The spelling of 55325533457 in words is "fifty-five billion, three hundred twenty-five million, five hundred thirty-three thousand, four hundred fifty-seven".