551764851 has 16 divisors (see below), whose sum is σ = 805146240. Its totient is φ = 333328320.

The previous prime is 551764849. The next prime is 551764853. The reversal of 551764851 is 158467155.

It is an interprime number because it is at equal distance from previous prime (551764849) and next prime (551764853).

It is not a de Polignac number, because 551764851 - 2¹ = 551764849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (551764853) 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, 16381 + ... + 37038.

It is an arithmetic number, because the mean of its divisors is an integer number (50321640).

Almost surely, 2^551764851 is an apocalyptic number.

551764851 is a deficient number, since it is larger than the sum of its proper divisors (253381389).

551764851 is a wasteful number, since it uses less digits than its factorization.

551764851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53746.

The product of its digits is 168000, while the sum is 42.

The square root of 551764851 is about 23489.6754128277. The cubic root of 551764851 is about 820.1966864099.

The spelling of 551764851 in words is "five hundred fifty-one million, seven hundred sixty-four thousand, eight hundred fifty-one".