1055470581 has 40 divisors (see below), whose sum is σ = 1723233600. Its totient is φ = 638487360.

The previous prime is 1055470543. The next prime is 1055470583. The reversal of 1055470581 is 1850745501.

1055470581 is a `hidden beast` number, since 1 + 0 + 5 + 5 + 4 + 70 + 581 = 666.

It is not a de Polignac number, because 1055470581 - 2¹⁸ = 1055208437 is a prime.

It is a super-2 number, since 2×1055470581² = 2228036294712955122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055470583) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 818185 + ... + 819473.

It is an arithmetic number, because the mean of its divisors is an integer number (43080840).

Almost surely, 2^1055470581 is an apocalyptic number.

1055470581 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1055470581 is a deficient number, since it is larger than the sum of its proper divisors (667763019).

1055470581 is a wasteful number, since it uses less digits than its factorization.

1055470581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231 (or 2222 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 36.

The square root of 1055470581 is about 32488.0067255595. The cubic root of 1055470581 is about 1018.1584679128.

The spelling of 1055470581 in words is "one billion, fifty-five million, four hundred seventy thousand, five hundred eighty-one".