1054278855 has 96 divisors (see below), whose sum is σ = 2227322880. Its totient is φ = 471562560.

The previous prime is 1054278791. The next prime is 1054278881. The reversal of 1054278855 is 5588724501.

It is not a de Polignac number, because 1054278855 - 2⁶ = 1054278791 is a prime.

It is a super-2 number, since 2×1054278855² = 2223007808200222050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 1054278855.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 309210 + ... + 312600.

It is an arithmetic number, because the mean of its divisors is an integer number (23201280).

Almost surely, 2^1054278855 is an apocalyptic number.

1054278855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1054278855 is an abundant number, since it is smaller than the sum of its proper divisors (1173044025).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1054278855 is a wasteful number, since it uses less digits than its factorization.

1054278855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3466 (or 3453 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 45.

The square root of 1054278855 is about 32469.6605310250. The cubic root of 1054278855 is about 1017.7751245665.

The spelling of 1054278855 in words is "one billion, fifty-four million, two hundred seventy-eight thousand, eight hundred fifty-five".