1056551650 has 96 divisors (see below), whose sum is σ = 2516660352. Its totient is φ = 320371200.

The previous prime is 1056551627. The next prime is 1056551651. The reversal of 1056551650 is 561556501.

It is a super-2 number, since 2×1056551650² = 2232602778235445000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1056551651) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 138742 + ... + 146158.

It is an arithmetic number, because the mean of its divisors is an integer number (26215212).

Almost surely, 2^1056551650 is an apocalyptic number.

1056551650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1056551650 is an abundant number, since it is smaller than the sum of its proper divisors (1460108702).

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

1056551650 is a wasteful number, since it uses less digits than its factorization.

1056551650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7484 (or 7479 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 1056551650 is about 32504.6404379436. The cubic root of 1056551650 is about 1018.5059666152.

The spelling of 1056551650 in words is "one billion, fifty-six million, five hundred fifty-one thousand, six hundred fifty".