1055331455 has 4 divisors (see below), whose sum is σ = 1266397752. Its totient is φ = 844265160.

The previous prime is 1055331449. The next prime is 1055331461. The reversal of 1055331455 is 5541335501.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1055331449) and next prime (1055331461).

It is not a de Polignac number, because 1055331455 - 2⁴ = 1055331439 is a prime.

It is a super-2 number, since 2×1055331455² = 2227448959824834050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105533141 + ... + 105533150.

It is an arithmetic number, because the mean of its divisors is an integer number (316599438).

Almost surely, 2^1055331455 is an apocalyptic number.

1055331455 is a deficient number, since it is larger than the sum of its proper divisors (211066297).

1055331455 is an equidigital number, since it uses as much as digits as its factorization.

1055331455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211066296.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 1055331455 is about 32485.8654648449. The cubic root of 1055331455 is about 1018.1137300357.

Adding to 1055331455 its reverse (5541335501), we get a palindrome (6596666956).

The spelling of 1055331455 in words is "one billion, fifty-five million, three hundred thirty-one thousand, four hundred fifty-five".