15553854480 has 80 divisors (see below), whose sum is σ = 50754697920. Its totient is φ = 3929393664.

The previous prime is 15553854439. The next prime is 15553854493. The reversal of 15553854480 is 8445835551.

15553854480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1700907 + ... + 1710026.

It is an arithmetic number, because the mean of its divisors is an integer number (634433724).

Almost surely, 2^15553854480 is an apocalyptic number.

15553854480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15553854480 is an abundant number, since it is smaller than the sum of its proper divisors (35200843440).

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

15553854480 is a wasteful number, since it uses less digits than its factorization.

15553854480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410968 (or 3410962 counting only the distinct ones).

The product of its (nonzero) digits is 1920000, while the sum is 48.

The spelling of 15553854480 in words is "fifteen billion, five hundred fifty-three million, eight hundred fifty-four thousand, four hundred eighty".