551412061 has 4 divisors (see below), whose sum is σ = 570426300. Its totient is φ = 532397824.

The previous prime is 551412041. The next prime is 551412079. The reversal of 551412061 is 160214155.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 160214155 = 5 ⋅32042831.

It can be written as a sum of positive squares in 2 ways, for example, as 138062500 + 413349561 = 11750^2 + 20331^2 .

It is a cyclic number.

It is not a de Polignac number, because 551412061 - 2⁷ = 551411933 is a prime.

It is a super-2 number, since 2×551412061² = 608110522032535442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (551412031) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9507076 + ... + 9507133.

It is an arithmetic number, because the mean of its divisors is an integer number (142606575).

Almost surely, 2^551412061 is an apocalyptic number.

It is an amenable number.

551412061 is a deficient number, since it is larger than the sum of its proper divisors (19014239).

551412061 is a wasteful number, since it uses less digits than its factorization.

551412061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19014238.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 551412061 is about 23482.1647426297. The cubic root of 551412061 is about 820.0218420714.

The spelling of 551412061 in words is "five hundred fifty-one million, four hundred twelve thousand, sixty-one".