15414520550 has 48 divisors (see below), whose sum is σ = 33683437872. Its totient is φ = 5174102400.

The previous prime is 15414520547. The next prime is 15414520559. The reversal of 15414520550 is 5502541451.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15414520559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1070789 + ... + 1085088.

It is an arithmetic number, because the mean of its divisors is an integer number (701738289).

Almost surely, 2^15414520550 is an apocalyptic number.

15414520550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

15414520550 is an abundant number, since it is smaller than the sum of its proper divisors (18268917322).

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

15414520550 is a wasteful number, since it uses less digits than its factorization.

15414520550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2155913 (or 2155908 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 15414520550 in words is "fifteen billion, four hundred fourteen million, five hundred twenty thousand, five hundred fifty".