551225832009 has 16 divisors (see below), whose sum is σ = 737290977024. Its totient is φ = 366323731200.

The previous prime is 551225831969. The next prime is 551225832011. The reversal of 551225832009 is 900238522155.

It is not a de Polignac number, because 551225832009 - 2¹⁶ = 551225766473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551225832809) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1354464 + ... + 1713774.

It is an arithmetic number, because the mean of its divisors is an integer number (46080686064).

Almost surely, 2^551225832009 is an apocalyptic number.

It is an amenable number.

551225832009 is a deficient number, since it is larger than the sum of its proper divisors (186065145015).

551225832009 is a wasteful number, since it uses less digits than its factorization.

551225832009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360928.

The product of its (nonzero) digits is 216000, while the sum is 42.

The spelling of 551225832009 in words is "five hundred fifty-one billion, two hundred twenty-five million, eight hundred thirty-two thousand, nine".