55451415457 has 2 divisors, whose sum is σ = 55451415458. Its totient is φ = 55451415456.

The previous prime is 55451415433. The next prime is 55451415577. The reversal of 55451415457 is 75451415455.

55451415457 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34885274176 + 20566141281 = 186776^2 + 143409^2 .

It is a cyclic number.

It is not a de Polignac number, because 55451415457 - 2¹⁵ = 55451382689 is a prime.

It is not a weakly prime, because it can be changed into another prime (55451715457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27725707728 + 27725707729.

It is an arithmetic number, because the mean of its divisors is an integer number (27725707729).

Almost surely, 2^55451415457 is an apocalyptic number.

It is an amenable number.

55451415457 is a deficient number, since it is larger than the sum of its proper divisors (1).

55451415457 is an equidigital number, since it uses as much as digits as its factorization.

55451415457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1400000, while the sum is 46.

The spelling of 55451415457 in words is "fifty-five billion, four hundred fifty-one million, four hundred fifteen thousand, four hundred fifty-seven".