1055647577 has 4 divisors (see below), whose sum is σ = 1055752656. Its totient is φ = 1055542500.

The previous prime is 1055647519. The next prime is 1055647603. The reversal of 1055647577 is 7757465501.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1055647577 - 2⁸ = 1055647321 is a prime.

It is a super-2 number, since 2×1055647577² = 2228783613651941858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055647477) 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, 35663 + ... + 58164.

It is an arithmetic number, because the mean of its divisors is an integer number (263938164).

Almost surely, 2^1055647577 is an apocalyptic number.

It is an amenable number.

1055647577 is a deficient number, since it is larger than the sum of its proper divisors (105079).

1055647577 is an equidigital number, since it uses as much as digits as its factorization.

1055647577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105078.

The product of its (nonzero) digits is 1029000, while the sum is 47.

The square root of 1055647577 is about 32490.7306319818. The cubic root of 1055647577 is about 1018.2153777269.

The spelling of 1055647577 in words is "one billion, fifty-five million, six hundred forty-seven thousand, five hundred seventy-seven".