1054171550 has 12 divisors (see below), whose sum is σ = 1960759176. Its totient is φ = 421668600.

The previous prime is 1054171543. The next prime is 1054171553. The reversal of 1054171550 is 551714501.

It is a super-2 number, since 2×1054171550² = 2222555313658805000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1054171553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10541666 + ... + 10541765.

It is an arithmetic number, because the mean of its divisors is an integer number (163396598).

Almost surely, 2^1054171550 is an apocalyptic number.

1054171550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1054171550 is a deficient number, since it is larger than the sum of its proper divisors (906587626).

1054171550 is a wasteful number, since it uses less digits than its factorization.

1054171550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21083443 (or 21083438 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 29.

The square root of 1054171550 is about 32468.0081002823. The cubic root of 1054171550 is about 1017.7405935173.

The spelling of 1054171550 in words is "one billion, fifty-four million, one hundred seventy-one thousand, five hundred fifty".