240054452055553 has 2 divisors, whose sum is σ = 240054452055554. Its totient is φ = 240054452055552.

The previous prime is 240054452055493. The next prime is 240054452055601. The reversal of 240054452055553 is 355550254450042.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 219403135181169 + 20651316874384 = 14812263^2 + 4544372^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-240054452055553 is a prime.

It is a super-2 number, since 2×240054452055553² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240054452055497 and 240054452055506.

It is not a weakly prime, because it can be changed into another prime (240054452055853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120027226027776 + 120027226027777.

It is an arithmetic number, because the mean of its divisors is an integer number (120027226027777).

Almost surely, 2^{240054452055553} is an apocalyptic number.

It is an amenable number.

240054452055553 is a deficient number, since it is larger than the sum of its proper divisors (1).

240054452055553 is an equidigital number, since it uses as much as digits as its factorization.

240054452055553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12000000, while the sum is 49.

The spelling of 240054452055553 in words is "two hundred forty trillion, fifty-four billion, four hundred fifty-two million, fifty-five thousand, five hundred fifty-three".