551651005 has 16 divisors (see below), whose sum is σ = 669711744. Its totient is φ = 436184640.

The previous prime is 551650949. The next prime is 551651011. The reversal of 551651005 is 500156155.

It is not a de Polignac number, because 551651005 - 2¹³ = 551642813 is a prime.

It is a super-3 number, since 3×551651005³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 466515 + ... + 467695.

It is an arithmetic number, because the mean of its divisors is an integer number (41856984).

Almost surely, 2^551651005 is an apocalyptic number.

It is an amenable number.

551651005 is a deficient number, since it is larger than the sum of its proper divisors (118060739).

551651005 is a wasteful number, since it uses less digits than its factorization.

551651005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196.

The product of its (nonzero) digits is 3750, while the sum is 28.

The square root of 551651005 is about 23487.2519678229. The cubic root of 551651005 is about 820.1402719580.

The spelling of 551651005 in words is "five hundred fifty-one million, six hundred fifty-one thousand, five".