551560104 has 80 divisors (see below), whose sum is σ = 1635786900. Its totient is φ = 173035008.

The previous prime is 551560103. The next prime is 551560117. The reversal of 551560104 is 401065155.

It is a happy number.

551560104 is a `hidden beast` number, since 5 + 51 + 5 + 601 + 0 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 515199204 + 36360900 = 22698^2 + 6030^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551560103) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14019 + ... + 36050.

Almost surely, 2^551560104 is an apocalyptic number.

551560104 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

551560104 is an abundant number, since it is smaller than the sum of its proper divisors (1084226796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551560104 is a wasteful number, since it uses less digits than its factorization.

551560104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50104 (or 50091 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

The square root of 551560104 is about 23485.3167745296. The cubic root of 551560104 is about 820.0952219382.

The spelling of 551560104 in words is "five hundred fifty-one million, five hundred sixty thousand, one hundred four".