55076657 has 4 divisors (see below), whose sum is σ = 55093236. Its totient is φ = 55060080.

The previous prime is 55076647. The next prime is 55076663. The reversal of 55076657 is 75667055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29986576 + 25090081 = 5476^2 + 5009^2 .

It is a cyclic number.

It is not a de Polignac number, because 55076657 - 2⁴ = 55076641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55076647) 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, 1394 + ... + 10587.

It is an arithmetic number, because the mean of its divisors is an integer number (13773309).

Almost surely, 2^55076657 is an apocalyptic number.

It is an amenable number.

55076657 is a deficient number, since it is larger than the sum of its proper divisors (16579).

55076657 is a wasteful number, since it uses less digits than its factorization.

55076657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16578.

The product of its (nonzero) digits is 220500, while the sum is 41.

The square root of 55076657 is about 7421.3649014181. The cubic root of 55076657 is about 380.4718446177.

The spelling of 55076657 in words is "fifty-five million, seventy-six thousand, six hundred fifty-seven".