1054549678 has 192 divisors, whose sum is σ = 2295941760. Its totient is φ = 357654528.

The previous prime is 1054549667. The next prime is 1054549739. The reversal of 1054549678 is 8769454501.

It is a happy number.

It is a super-2 number, since 2×1054549678² = 2224150046739807368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 14445850 + ... + 14445922.

It is an arithmetic number, because the mean of its divisors is an integer number (11958030).

Almost surely, 2^1054549678 is an apocalyptic number.

1054549678 is an abundant number, since it is smaller than the sum of its proper divisors (1241392082).

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

1054549678 is a wasteful number, since it uses less digits than its factorization.

1054549678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 1054549678 is about 32473.8306640901. The cubic root of 1054549678 is about 1017.8622657477.

The spelling of 1054549678 in words is "one billion, fifty-four million, five hundred forty-nine thousand, six hundred seventy-eight".