1055644516 has 12 divisors (see below), whose sum is σ = 1852204032. Its totient is φ = 526443368.

The previous prime is 1055644493. The next prime is 1055644517. The reversal of 1055644516 is 6154465501.

It is a super-2 number, since 2×1055644516² = 2228770688321748512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1055644517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343000 + ... + 346063.

It is an arithmetic number, because the mean of its divisors is an integer number (154350336).

Almost surely, 2^1055644516 is an apocalyptic number.

It is an amenable number.

1055644516 is a deficient number, since it is larger than the sum of its proper divisors (796559516).

1055644516 is a wasteful number, since it uses less digits than its factorization.

1055644516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689450 (or 689448 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The square root of 1055644516 is about 32490.6835262049. The cubic root of 1055644516 is about 1018.2143935726.

The spelling of 1055644516 in words is "one billion, fifty-five million, six hundred forty-four thousand, five hundred sixteen".