15454053556 has 12 divisors (see below), whose sum is σ = 28220445792. Its totient is φ = 7391069048.

The previous prime is 15454053553. The next prime is 15454053599. The reversal of 15454053556 is 65535045451.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15454053553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83989330 + ... + 83989513.

It is an arithmetic number, because the mean of its divisors is an integer number (2351703816).

Almost surely, 2^15454053556 is an apocalyptic number.

It is an amenable number.

15454053556 is a deficient number, since it is larger than the sum of its proper divisors (12766392236).

15454053556 is a wasteful number, since it uses less digits than its factorization.

15454053556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167978870 (or 167978868 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 15454053556 in words is "fifteen billion, four hundred fifty-four million, fifty-three thousand, five hundred fifty-six".