1055423153 has 4 divisors (see below), whose sum is σ = 1110971760. Its totient is φ = 999874548.

The previous prime is 1055423137. The next prime is 1055423177. The reversal of 1055423153 is 3513245501.

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 an emirpimes, since its reverse is a distinct semiprime: 3513245501 = 71 ⋅49482331.

It is a cyclic number.

It is not a de Polignac number, because 1055423153 - 2⁴ = 1055423137 is a prime.

It is a super-2 number, since 2×1055423153² = 2227836063776922818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055423183) 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, 27774275 + ... + 27774312.

It is an arithmetic number, because the mean of its divisors is an integer number (277742940).

Almost surely, 2^1055423153 is an apocalyptic number.

It is an amenable number.

1055423153 is a deficient number, since it is larger than the sum of its proper divisors (55548607).

1055423153 is an equidigital number, since it uses as much as digits as its factorization.

1055423153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55548606.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 1055423153 is about 32487.2767864590. The cubic root of 1055423153 is about 1018.1432172293.

Adding to 1055423153 its reverse (3513245501), we get a palindrome (4568668654).

The spelling of 1055423153 in words is "one billion, fifty-five million, four hundred twenty-three thousand, one hundred fifty-three".