1053550404 has 18 divisors (see below), whose sum is σ = 2663141390. Its totient is φ = 351183456.

The previous prime is 1053550403. The next prime is 1053550409. The reversal of 1053550404 is 4040553501.

1053550404 is a `hidden beast` number, since 105 + 3 + 550 + 4 + 0 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1016972100 + 36578304 = 31890^2 + 6048^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1053550404² = 2219936907537126432, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053550403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14632609 + ... + 14632680.

Almost surely, 2^1053550404 is an apocalyptic number.

It is an amenable number.

1053550404 is an abundant number, since it is smaller than the sum of its proper divisors (1609590986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1053550404 is a wasteful number, since it uses less digits than its factorization.

1053550404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29265299 (or 29265294 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 1053550404 is about 32458.4411825337. The cubic root of 1053550404 is about 1017.5406609407.

The spelling of 1053550404 in words is "one billion, fifty-three million, five hundred fifty thousand, four hundred four".