550517015015 has 32 divisors (see below), whose sum is σ = 728553940992. Its totient is φ = 396007920000.

The previous prime is 550517015011. The next prime is 550517015021. The reversal of 550517015015 is 510510715055.

It is not a de Polignac number, because 550517015015 - 2² = 550517015011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550517015011) 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, 5455004 + ... + 5555006.

It is an arithmetic number, because the mean of its divisors is an integer number (22767310656).

Almost surely, 2^550517015015 is an apocalyptic number.

550517015015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550517015015 is a deficient number, since it is larger than the sum of its proper divisors (178036925977).

550517015015 is a wasteful number, since it uses less digits than its factorization.

550517015015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111.

The product of its (nonzero) digits is 21875, while the sum is 35.

The spelling of 550517015015 in words is "five hundred fifty billion, five hundred seventeen million, fifteen thousand, fifteen".