1053555405 has 32 divisors (see below), whose sum is σ = 1938069504. Its totient is φ = 478733376.

The previous prime is 1053555383. The next prime is 1053555421. The reversal of 1053555405 is 5045553501.

It is not a de Polignac number, because 1053555405 - 2¹⁶ = 1053489869 is a prime.

It is a super-2 number, since 2×1053555405² = 2219957982809428050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12507 + ... + 47576.

It is an arithmetic number, because the mean of its divisors is an integer number (60564672).

Almost surely, 2^1053555405 is an apocalyptic number.

1053555405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1053555405 is a deficient number, since it is larger than the sum of its proper divisors (884514099).

1053555405 is a wasteful number, since it uses less digits than its factorization.

1053555405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60265.

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 1053555405 is about 32458.5182194135. The cubic root of 1053555405 is about 1017.5422709611.

The spelling of 1053555405 in words is "one billion, fifty-three million, five hundred fifty-five thousand, four hundred five".