1053646550 has 24 divisors (see below), whose sum is σ = 2137945752. Its totient is φ = 383144000.

The previous prime is 1053646543. The next prime is 1053646591. The reversal of 1053646550 is 556463501.

It is a super-2 number, since 2×1053646550² = 2220342104653805000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1053646550.

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, 957311 + ... + 958410.

It is an arithmetic number, because the mean of its divisors is an integer number (89081073).

Almost surely, 2^1053646550 is an apocalyptic number.

1053646550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1053646550 is an abundant number, since it is smaller than the sum of its proper divisors (1084299202).

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

1053646550 is a wasteful number, since it uses less digits than its factorization.

1053646550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1915744 (or 1915739 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 35.

The square root of 1053646550 is about 32459.9222118600. The cubic root of 1053646550 is about 1017.5716132610.

The spelling of 1053646550 in words is "one billion, fifty-three million, six hundred forty-six thousand, five hundred fifty".