1055849550 has 72 divisors (see below), whose sum is σ = 3046039416. Its totient is φ = 241335360.

The previous prime is 1055849527. The next prime is 1055849567. The reversal of 1055849550 is 559485501.

It is a happy number.

It is a super-2 number, since 2×1055849550² = 2229636544470405000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 64477 + ... + 79176.

It is an arithmetic number, because the mean of its divisors is an integer number (42306103).

Almost surely, 2^1055849550 is an apocalyptic number.

1055849550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055849550 is an abundant number, since it is smaller than the sum of its proper divisors (1990189866).

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

1055849550 is a wasteful number, since it uses less digits than its factorization.

1055849550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143682 (or 143670 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 42.

The square root of 1055849550 is about 32493.8386467342. The cubic root of 1055849550 is about 1018.2803106663.

The spelling of 1055849550 in words is "one billion, fifty-five million, eight hundred forty-nine thousand, five hundred fifty".