1055945655 has 12 divisors (see below), whose sum is σ = 1830305880. Its totient is φ = 563170992.

The previous prime is 1055945647. The next prime is 1055945687. The reversal of 1055945655 is 5565495501.

1055945655 is a `hidden beast` number, since 1 + 0 + 5 + 594 + 5 + 6 + 55 = 666.

It is not a de Polignac number, because 1055945655 - 2³ = 1055945647 is a prime.

It is a super-2 number, since 2×1055945655² = 2230042452626758050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 23465459 = 1055945655 / (1 + 0 + 5 + 5 + 9 + 4 + 5 + 6 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 1055945655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11732685 + ... + 11732774.

It is an arithmetic number, because the mean of its divisors is an integer number (152525490).

Almost surely, 2^1055945655 is an apocalyptic number.

1055945655 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1055945655 is a deficient number, since it is larger than the sum of its proper divisors (774360225).

1055945655 is a wasteful number, since it uses less digits than its factorization.

1055945655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23465470 (or 23465467 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 45.

The square root of 1055945655 is about 32495.3174319009. The cubic root of 1055945655 is about 1018.3112048596.

The spelling of 1055945655 in words is "one billion, fifty-five million, nine hundred forty-five thousand, six hundred fifty-five".