1053551523 has 24 divisors (see below), whose sum is σ = 1540403200. Its totient is φ = 639711360.

The previous prime is 1053551519. The next prime is 1053551537. The reversal of 1053551523 is 3251553501.

It is not a de Polignac number, because 1053551523 - 2² = 1053551519 is a prime.

It is a super-2 number, since 2×1053551523² = 2219941623231239058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1053551123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7278 + ... + 46476.

Almost surely, 2^1053551523 is an apocalyptic number.

1053551523 is a deficient number, since it is larger than the sum of its proper divisors (486851677).

1053551523 is a wasteful number, since it uses less digits than its factorization.

1053551523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39267 (or 39250 counting only the distinct ones).

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 1053551523 is about 32458.4584199558. The cubic root of 1053551523 is about 1017.5410211917.

The spelling of 1053551523 in words is "one billion, fifty-three million, five hundred fifty-one thousand, five hundred twenty-three".