1055650651 has 8 divisors (see below), whose sum is σ = 1159905600. Its totient is φ = 952776840.

The previous prime is 1055650643. The next prime is 1055650667. The reversal of 1055650651 is 1560565501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055650651 - 2³ = 1055650643 is a prime.

It is a super-3 number, since 3×1055650651³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055650151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343681 + ... + 346738.

It is an arithmetic number, because the mean of its divisors is an integer number (144988200).

Almost surely, 2^1055650651 is an apocalyptic number.

1055650651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1055650651 is a deficient number, since it is larger than the sum of its proper divisors (104254949).

1055650651 is a wasteful number, since it uses less digits than its factorization.

1055650651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690569.

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

The square root of 1055650651 is about 32490.7779377472. Note that the first 3 decimals coincide. The cubic root of 1055650651 is about 1018.2163660590.

The spelling of 1055650651 in words is "one billion, fifty-five million, six hundred fifty thousand, six hundred fifty-one".