1053555451 has 4 divisors (see below), whose sum is σ = 1134598192. Its totient is φ = 972512712.

The previous prime is 1053555449. The next prime is 1053555463. The reversal of 1053555451 is 1545553501.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1545553501 = 431 ⋅3585971.

It is a cyclic number.

It is not a de Polignac number, because 1053555451 - 2¹ = 1053555449 is a prime.

It is a super-2 number, since 2×1053555451² = 2219958176663626802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1053555421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40521351 + ... + 40521376.

It is an arithmetic number, because the mean of its divisors is an integer number (283649548).

Almost surely, 2^1053555451 is an apocalyptic number.

1053555451 is a deficient number, since it is larger than the sum of its proper divisors (81042741).

1053555451 is an equidigital number, since it uses as much as digits as its factorization.

1053555451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81042740.

The product of its (nonzero) digits is 37500, while the sum is 34.

The square root of 1053555451 is about 32458.5189280103. The cubic root of 1053555451 is about 1017.5422857703.

The spelling of 1053555451 in words is "one billion, fifty-three million, five hundred fifty-five thousand, four hundred fifty-one".