15554045530554 has 16 divisors (see below), whose sum is σ = 31209420351648. Its totient is φ = 5167793628432.

The previous prime is 15554045530553. The next prime is 15554045530571. The reversal of 15554045530554 is 45503554045551.

It is a super-4 number, since 4×15554045530554⁴ (a number of 54 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 15554045530497 and 15554045530506.

It is not an unprimeable number, because it can be changed into a prime (15554045530553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4222051777 + ... + 4222055460.

It is an arithmetic number, because the mean of its divisors is an integer number (1950588771978).

Almost surely, 2^{15554045530554} is an apocalyptic number.

15554045530554 is an abundant number, since it is smaller than the sum of its proper divisors (15655374821094).

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

15554045530554 is a wasteful number, since it uses less digits than its factorization.

15554045530554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8444107549.

The product of its (nonzero) digits is 15000000, while the sum is 51.

The spelling of 15554045530554 in words is "fifteen trillion, five hundred fifty-four billion, forty-five million, five hundred thirty thousand, five hundred fifty-four".