1055551873 has 8 divisors (see below), whose sum is σ = 1084680360. Its totient is φ = 1026455040.

The previous prime is 1055551843. The next prime is 1055551957. The reversal of 1055551873 is 3781555501.

It can be written as a sum of positive squares in 4 ways, for example, as 503912704 + 551639169 = 22448^2 + 23487^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1055551873 - 2⁵ = 1055551841 is a prime.

It is a super-2 number, since 2×1055551873² = 2228379513187616258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055551843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70143 + ... + 83851.

It is an arithmetic number, because the mean of its divisors is an integer number (135585045).

Almost surely, 2^1055551873 is an apocalyptic number.

It is an amenable number.

1055551873 is a deficient number, since it is larger than the sum of its proper divisors (29128487).

1055551873 is a wasteful number, since it uses less digits than its factorization.

1055551873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15827.

The product of its (nonzero) digits is 105000, while the sum is 40.

The square root of 1055551873 is about 32489.2578093129. The cubic root of 1055551873 is about 1018.1846066528.

The spelling of 1055551873 in words is "one billion, fifty-five million, five hundred fifty-one thousand, eight hundred seventy-three".