551550601 has 48 divisors (see below), whose sum is σ = 725521536. Its totient is φ = 408955392.

The previous prime is 551550599. The next prime is 551550607. The reversal of 551550601 is 106055155.

It is not a de Polignac number, because 551550601 - 2¹ = 551550599 is a prime.

It is a super-2 number, since 2×551550601² = 608416130926922402, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 551550601.

It is not an unprimeable number, because it can be changed into a prime (551550607) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1589310 + ... + 1589656.

It is an arithmetic number, because the mean of its divisors is an integer number (15115032).

Almost surely, 2^551550601 is an apocalyptic number.

It is an amenable number.

551550601 is a deficient number, since it is larger than the sum of its proper divisors (173970935).

551550601 is a wasteful number, since it uses less digits than its factorization.

551550601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446 (or 427 counting only the distinct ones).

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

The square root of 551550601 is about 23485.1144557569. The cubic root of 551550601 is about 820.0905120196.

The spelling of 551550601 in words is "five hundred fifty-one million, five hundred fifty thousand, six hundred one".