1054455557 has 2 divisors, whose sum is σ = 1054455558. Its totient is φ = 1054455556.

The previous prime is 1054455553. The next prime is 1054455601. The reversal of 1054455557 is 7555544501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544102276 + 510353281 = 23326^2 + 22591^2 .

It is a cyclic number.

It is not a de Polignac number, because 1054455557 - 2² = 1054455553 is a prime.

It is a super-2 number, since 2×1054455557² = 2223753043376360498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1054455553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 527227778 + 527227779.

It is an arithmetic number, because the mean of its divisors is an integer number (527227779).

Almost surely, 2^1054455557 is an apocalyptic number.

It is an amenable number.

1054455557 is a deficient number, since it is larger than the sum of its proper divisors (1).

1054455557 is an equidigital number, since it uses as much as digits as its factorization.

1054455557 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 350000, while the sum is 41.

The square root of 1054455557 is about 32472.3814494718. The cubic root of 1054455557 is about 1017.8319826589.

The spelling of 1054455557 in words is "one billion, fifty-four million, four hundred fifty-five thousand, five hundred fifty-seven".