1055584457 has 4 divisors (see below), whose sum is σ = 1056081936. Its totient is φ = 1055086980.

The previous prime is 1055584447. The next prime is 1055584459. The reversal of 1055584457 is 7544855501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1055584457 is a prime.

It is a super-2 number, since 2×1055584457² = 2228517091719969698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055584459) 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, 245543 + ... + 249804.

It is an arithmetic number, because the mean of its divisors is an integer number (264020484).

Almost surely, 2^1055584457 is an apocalyptic number.

It is an amenable number.

1055584457 is a deficient number, since it is larger than the sum of its proper divisors (497479).

1055584457 is an equidigital number, since it uses as much as digits as its factorization.

1055584457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497478.

The product of its (nonzero) digits is 560000, while the sum is 44.

The square root of 1055584457 is about 32489.7592634972. The cubic root of 1055584457 is about 1018.1950833796.

The spelling of 1055584457 in words is "one billion, fifty-five million, five hundred eighty-four thousand, four hundred fifty-seven".