13553894700 has 72 divisors (see below), whose sum is σ = 43573270160. Its totient is φ = 3614371200.

The previous prime is 13553894699. The next prime is 13553894729. The reversal of 13553894700 is 749835531.

13553894700 is a `hidden beast` number, since 1 + 3 + 553 + 8 + 94 + 7 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2507281 + ... + 2512680.

Almost surely, 2^13553894700 is an apocalyptic number.

13553894700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13553894700 is an abundant number, since it is smaller than the sum of its proper divisors (30019375460).

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

13553894700 is a wasteful number, since it uses less digits than its factorization.

13553894700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5019984 (or 5019971 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The spelling of 13553894700 in words is "thirteen billion, five hundred fifty-three million, eight hundred ninety-four thousand, seven hundred".