2553451533 has 16 divisors (see below), whose sum is σ = 3829596800. Its totient is φ = 1702299564.

The previous prime is 2553451529. The next prime is 2553451547. The reversal of 2553451533 is 3351543552.

2553451533 is a `hidden beast` number, since 2 + 553 + 4 + 51 + 53 + 3 = 666.

It is not a de Polignac number, because 2553451533 - 2² = 2553451529 is a prime.

It is a super-2 number, since 2×2553451533² = 13040229462760100178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553451583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581593 + ... + 585966.

It is an arithmetic number, because the mean of its divisors is an integer number (239349800).

Almost surely, 2^2553451533 is an apocalyptic number.

It is an amenable number.

2553451533 is a deficient number, since it is larger than the sum of its proper divisors (1276145267).

2553451533 is an frugal number, since it uses more digits than its factorization.

2553451533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167580 (or 1167562 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 2553451533 is about 50531.6884044062. The cubic root of 2553451533 is about 1366.8133320753.

The spelling of 2553451533 in words is "two billion, five hundred fifty-three million, four hundred fifty-one thousand, five hundred thirty-three".