6553507356 has 36 divisors (see below), whose sum is σ = 18071794104. Its totient is φ = 1985911200.

The previous prime is 6553507343. The next prime is 6553507357. The reversal of 6553507356 is 6537053556.

It is a happy number.

6553507356 is a `hidden beast` number, since 65 + 53 + 507 + 35 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×6553507356² = 85896917330292221472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6553507357) 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, 8274235 + ... + 8275026.

Almost surely, 2^6553507356 is an apocalyptic number.

6553507356 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6553507356 is an abundant number, since it is smaller than the sum of its proper divisors (11518286748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6553507356 is a wasteful number, since it uses less digits than its factorization.

6553507356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16549282 (or 16549277 counting only the distinct ones).

The product of its (nonzero) digits is 1417500, while the sum is 45.

The square root of 6553507356 is about 80953.7358989689. The cubic root of 6553507356 is about 1871.3625342930.

The spelling of 6553507356 in words is "six billion, five hundred fifty-three million, five hundred seven thousand, three hundred fifty-six".