1055787403 has 8 divisors (see below), whose sum is σ = 1152435456. Its totient is φ = 959250600.

The previous prime is 1055787391. The next prime is 1055787437. The reversal of 1055787403 is 3047875501.

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

It is not a de Polignac number, because 1055787403 - 2⁹ = 1055786891 is a prime.

It is a super-2 number, since 2×1055787403² = 2229374080666968818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1055787503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7303 + ... + 46528.

It is an arithmetic number, because the mean of its divisors is an integer number (144054432).

Almost surely, 2^1055787403 is an apocalyptic number.

1055787403 is a deficient number, since it is larger than the sum of its proper divisors (96648053).

1055787403 is a wasteful number, since it uses less digits than its factorization.

1055787403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55625.

The product of its (nonzero) digits is 117600, while the sum is 40.

The square root of 1055787403 is about 32492.8823436764. The cubic root of 1055787403 is about 1018.2603317125.

The spelling of 1055787403 in words is "one billion, fifty-five million, seven hundred eighty-seven thousand, four hundred three".