55254075649 has 2 divisors, whose sum is σ = 55254075650. Its totient is φ = 55254075648.

The previous prime is 55254075587. The next prime is 55254075683. The reversal of 55254075649 is 94657045255.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35440698049 + 19813377600 = 188257^2 + 140760^2 .

It is a cyclic number.

It is not a de Polignac number, because 55254075649 - 2²⁷ = 55119857921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55254075596 and 55254075605.

It is not a weakly prime, because it can be changed into another prime (55254675649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27627037824 + 27627037825.

It is an arithmetic number, because the mean of its divisors is an integer number (27627037825).

Almost surely, 2^55254075649 is an apocalyptic number.

It is an amenable number.

55254075649 is a deficient number, since it is larger than the sum of its proper divisors (1).

55254075649 is an equidigital number, since it uses as much as digits as its factorization.

55254075649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560000, while the sum is 52.

The spelling of 55254075649 in words is "fifty-five billion, two hundred fifty-four million, seventy-five thousand, six hundred forty-nine".