1053545409 has 12 divisors (see below), whose sum is σ = 1739186176. Its totient is φ = 602025912.

The previous prime is 1053545387. The next prime is 1053545413. The reversal of 1053545409 is 9045453501.

1053545409 is a `hidden beast` number, since 10 + 53 + 54 + 540 + 9 = 666.

It is not a de Polignac number, because 1053545409 - 2⁷ = 1053545281 is a prime.

It is a super-2 number, since 2×1053545409² = 2219915857649954562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053545419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8361409 + ... + 8361534.

Almost surely, 2^1053545409 is an apocalyptic number.

It is an amenable number.

1053545409 is a deficient number, since it is larger than the sum of its proper divisors (685640767).

1053545409 is a wasteful number, since it uses less digits than its factorization.

1053545409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16722956 (or 16722953 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

The square root of 1053545409 is about 32458.3642378971. The cubic root of 1053545409 is about 1017.5390528469.

The spelling of 1053545409 in words is "one billion, fifty-three million, five hundred forty-five thousand, four hundred nine".