1053555404 has 24 divisors (see below), whose sum is σ = 2014730256. Its totient is φ = 478080000.

The previous prime is 1053555383. The next prime is 1053555421. The reversal of 1053555404 is 4045553501.

It is a super-2 number, since 2×1053555404² = 2219957978595206432, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6524 + ... + 46364.

It is an arithmetic number, because the mean of its divisors is an integer number (83947094).

Almost surely, 2^1053555404 is an apocalyptic number.

It is an amenable number.

1053555404 is a deficient number, since it is larger than the sum of its proper divisors (961174852).

1053555404 is a wasteful number, since it uses less digits than its factorization.

1053555404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40457 (or 40455 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 1053555404 is about 32458.5182040093. The cubic root of 1053555404 is about 1017.5422706391.

The spelling of 1053555404 in words is "one billion, fifty-three million, five hundred fifty-five thousand, four hundred four".