551270061 has 6 divisors (see below), whose sum is σ = 796278990. Its totient is φ = 367513368.

The previous prime is 551270029. The next prime is 551270063. The reversal of 551270061 is 160072155.

It can be written as a sum of positive squares in only one way, i.e., 550793961 + 476100 = 23469^2 + 690^2 .

It is not a de Polignac number, because 551270061 - 2⁵ = 551270029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551270063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30626106 + ... + 30626123.

It is an arithmetic number, because the mean of its divisors is an integer number (132713165).

Almost surely, 2^551270061 is an apocalyptic number.

It is an amenable number.

551270061 is a deficient number, since it is larger than the sum of its proper divisors (245008929).

551270061 is a wasteful number, since it uses less digits than its factorization.

551270061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61252235 (or 61252232 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 27.

The square root of 551270061 is about 23479.1409766201. The cubic root of 551270061 is about 819.9514451718.

The spelling of 551270061 in words is "five hundred fifty-one million, two hundred seventy thousand, sixty-one".