55260277 has 8 divisors (see below), whose sum is σ = 57260376. Its totient is φ = 53286912.

The previous prime is 55260253. The next prime is 55260281. The reversal of 55260277 is 77206255.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3290596 + 51969681 = 1814^2 + 7209^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55260277 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 (55260287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2428 + ... + 10789.

It is an arithmetic number, because the mean of its divisors is an integer number (7157547).

Almost surely, 2^55260277 is an apocalyptic number.

It is an amenable number.

55260277 is a deficient number, since it is larger than the sum of its proper divisors (2000099).

55260277 is a wasteful number, since it uses less digits than its factorization.

55260277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13367.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 55260277 is about 7433.7256473453. The cubic root of 55260277 is about 380.8941938155.

The spelling of 55260277 in words is "fifty-five million, two hundred sixty thousand, two hundred seventy-seven".