1055913590 has 64 divisors (see below), whose sum is σ = 2015399232. Its totient is φ = 397824000.

The previous prime is 1055913587. The next prime is 1055913623. The reversal of 1055913590 is 953195501.

It is a super-2 number, since 2×1055913590² = 2229907019093376200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1780334 + ... + 1780926.

It is an arithmetic number, because the mean of its divisors is an integer number (31490613).

Almost surely, 2^1055913590 is an apocalyptic number.

1055913590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1055913590 is a deficient number, since it is larger than the sum of its proper divisors (959485642).

1055913590 is a wasteful number, since it uses less digits than its factorization.

1055913590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785.

The product of its (nonzero) digits is 30375, while the sum is 38.

The square root of 1055913590 is about 32494.8240493775. The cubic root of 1055913590 is about 1018.3008973596.

The spelling of 1055913590 in words is "one billion, fifty-five million, nine hundred thirteen thousand, five hundred ninety".