55812677 has 4 divisors (see below), whose sum is σ = 55960320. Its totient is φ = 55665036.

The previous prime is 55812619. The next prime is 55812703. The reversal of 55812677 is 77621855.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77621855 = 5 ⋅15524371.

It is a cyclic number.

It is not a de Polignac number, because 55812677 - 2¹² = 55808581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55812607) 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, 73253 + ... + 74010.

It is an arithmetic number, because the mean of its divisors is an integer number (13990080).

Almost surely, 2^55812677 is an apocalyptic number.

It is an amenable number.

55812677 is a deficient number, since it is larger than the sum of its proper divisors (147643).

55812677 is a wasteful number, since it uses less digits than its factorization.

55812677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147642.

The product of its digits is 117600, while the sum is 41.

The square root of 55812677 is about 7470.7882448909. The cubic root of 55812677 is about 382.1591695269.

The spelling of 55812677 in words is "fifty-five million, eight hundred twelve thousand, six hundred seventy-seven".