15220455054 has 32 divisors (see below), whose sum is σ = 34831157760. Its totient is φ = 4343508192.

The previous prime is 15220455049. The next prime is 15220455059. The reversal of 15220455054 is 45055402251.

It is an interprime number because it is at equal distance from previous prime (15220455049) and next prime (15220455059).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15220455059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180729 + ... + 251204.

It is an arithmetic number, because the mean of its divisors is an integer number (1088473680).

Almost surely, 2^15220455054 is an apocalyptic number.

15220455054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

15220455054 is an abundant number, since it is smaller than the sum of its proper divisors (19610702706).

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

15220455054 is a wasteful number, since it uses less digits than its factorization.

15220455054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432784.

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 15220455054 in words is "fifteen billion, two hundred twenty million, four hundred fifty-five thousand, fifty-four".