1055917829 has 4 divisors (see below), whose sum is σ = 1056533100. Its totient is φ = 1055302560.

The previous prime is 1055917823. The next prime is 1055917843. The reversal of 1055917829 is 9287195501.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 947716225 + 108201604 = 30785^2 + 10402^2 .

It is a cyclic number.

It is not a de Polignac number, because 1055917829 - 2²⁰ = 1054869253 is a prime.

It is a super-2 number, since 2×1055917829² = 2229924923200146482, 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 (1055917823) 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, 305054 + ... + 308495.

It is an arithmetic number, because the mean of its divisors is an integer number (264133275).

Almost surely, 2^1055917829 is an apocalyptic number.

It is an amenable number.

1055917829 is a deficient number, since it is larger than the sum of its proper divisors (615271).

1055917829 is an equidigital number, since it uses as much as digits as its factorization.

1055917829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615270.

The product of its (nonzero) digits is 226800, while the sum is 47.

The square root of 1055917829 is about 32494.8892750845. The cubic root of 1055917829 is about 1018.3022600253.

The spelling of 1055917829 in words is "one billion, fifty-five million, nine hundred seventeen thousand, eight hundred twenty-nine".