550156151571 has 64 divisors (see below), whose sum is σ = 878033737728. Its totient is φ = 302961973248.

The previous prime is 550156151563. The next prime is 550156151581. The reversal of 550156151571 is 175151651055.

It is not a de Polignac number, because 550156151571 - 2³ = 550156151563 is a prime.

It is a super-2 number, since 2×550156151571² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (550156151581) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2438565 + ... + 2654601.

It is an arithmetic number, because the mean of its divisors is an integer number (13719277152).

Almost surely, 2^550156151571 is an apocalyptic number.

550156151571 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

550156151571 is a deficient number, since it is larger than the sum of its proper divisors (327877586157).

550156151571 is a wasteful number, since it uses less digits than its factorization.

550156151571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216260.

The product of its (nonzero) digits is 131250, while the sum is 42.

The spelling of 550156151571 in words is "five hundred fifty billion, one hundred fifty-six million, one hundred fifty-one thousand, five hundred seventy-one".