1055528057 has 4 divisors (see below), whose sum is σ = 1055801856. Its totient is φ = 1055254260.

The previous prime is 1055527999. The next prime is 1055528081. The reversal of 1055528057 is 7508255501.

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 not a de Polignac number, because 1055528057 - 2¹² = 1055523961 is a prime.

It is a super-2 number, since 2×1055528057² = 2228278958228390498, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1055528057.

It is not an unprimeable number, because it can be changed into a prime (1055528557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131033 + ... + 138854.

It is an arithmetic number, because the mean of its divisors is an integer number (263950464).

Almost surely, 2^1055528057 is an apocalyptic number.

It is an amenable number.

1055528057 is a deficient number, since it is larger than the sum of its proper divisors (273799).

1055528057 is an equidigital number, since it uses as much as digits as its factorization.

1055528057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273798.

The product of its (nonzero) digits is 70000, while the sum is 38.

The square root of 1055528057 is about 32488.8912860996. The cubic root of 1055528057 is about 1018.1769489628.

The spelling of 1055528057 in words is "one billion, fifty-five million, five hundred twenty-eight thousand, fifty-seven".