33253000551 has 20 divisors (see below), whose sum is σ = 49708929600. Its totient is φ = 22153183776.

The previous prime is 33253000541. The next prime is 33253000553. The reversal of 33253000551 is 15500035233.

It is not a de Polignac number, because 33253000551 - 2⁵ = 33253000519 is a prime.

It is a super-2 number, since 2×33253000551² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33253000553) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26086 + ... + 259203.

It is an arithmetic number, because the mean of its divisors is an integer number (2485446480).

Almost surely, 2^33253000551 is an apocalyptic number.

33253000551 is a deficient number, since it is larger than the sum of its proper divisors (16455929049).

33253000551 is a wasteful number, since it uses less digits than its factorization.

33253000551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286740 (or 286731 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

Adding to 33253000551 its reverse (15500035233), we get a palindrome (48753035784).

The spelling of 33253000551 in words is "thirty-three billion, two hundred fifty-three million, five hundred fifty-one", and thus it is an aban number.