1055330357 has 4 divisors (see below), whose sum is σ = 1110874080. Its totient is φ = 999786636.

The previous prime is 1055330351. The next prime is 1055330371. The reversal of 1055330357 is 7530335501.

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-1055330357 is a prime.

It is a super-2 number, since 2×1055330357² = 2227444324811494898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1055330351) 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, 27771833 + ... + 27771870.

It is an arithmetic number, because the mean of its divisors is an integer number (277718520).

Almost surely, 2^1055330357 is an apocalyptic number.

It is an amenable number.

1055330357 is a deficient number, since it is larger than the sum of its proper divisors (55543723).

1055330357 is an equidigital number, since it uses as much as digits as its factorization.

1055330357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55543722.

The product of its (nonzero) digits is 23625, while the sum is 32.

The square root of 1055330357 is about 32485.8485651830. The cubic root of 1055330357 is about 1018.1133769431.

Adding to 1055330357 its reverse (7530335501), we get a palindrome (8585665858).

The spelling of 1055330357 in words is "one billion, fifty-five million, three hundred thirty thousand, three hundred fifty-seven".