55080550277 has 4 divisors (see below), whose sum is σ = 56569213836. Its totient is φ = 53591886720.

The previous prime is 55080550271. The next prime is 55080550297. The reversal of 55080550277 is 77205508055.

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 21000067396 + 34080482881 = 144914^2 + 184609^2 .

It is a cyclic number.

It is not a de Polignac number, because 55080550277 - 2²² = 55076355973 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 (55080550271) 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, 744331724 + ... + 744331797.

It is an arithmetic number, because the mean of its divisors is an integer number (14142303459).

Almost surely, 2^55080550277 is an apocalyptic number.

It is an amenable number.

55080550277 is a deficient number, since it is larger than the sum of its proper divisors (1488663559).

55080550277 is a wasteful number, since it uses less digits than its factorization.

55080550277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488663558.

The product of its (nonzero) digits is 490000, while the sum is 44.

The spelling of 55080550277 in words is "fifty-five billion, eighty million, five hundred fifty thousand, two hundred seventy-seven".