15545045054 has 64 divisors (see below), whose sum is σ = 30629283840. Its totient is φ = 5732506080.

The previous prime is 15545045053. The next prime is 15545045059. The reversal of 15545045054 is 45054054551.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 15545044999 and 15545045017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15545045051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4876049 + ... + 4879235.

It is an arithmetic number, because the mean of its divisors is an integer number (478582560).

Almost surely, 2^15545045054 is an apocalyptic number.

15545045054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15545045054 is a deficient number, since it is larger than the sum of its proper divisors (15084238786).

15545045054 is a wasteful number, since it uses less digits than its factorization.

15545045054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4893.

The product of its (nonzero) digits is 200000, while the sum is 38.

The spelling of 15545045054 in words is "fifteen billion, five hundred forty-five million, forty-five thousand, fifty-four".