55052786 has 4 divisors (see below), whose sum is σ = 82579182. Its totient is φ = 27526392.

The previous prime is 55052773. The next prime is 55052813. The reversal of 55052786 is 68725055.

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

It can be written as a sum of positive squares in only one way, i.e., 42315025 + 12737761 = 6505^2 + 3569^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13763195 + ... + 13763198.

Almost surely, 2^55052786 is an apocalyptic number.

55052786 is a deficient number, since it is larger than the sum of its proper divisors (27526396).

55052786 is a wasteful number, since it uses less digits than its factorization.

55052786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27526395.

The product of its (nonzero) digits is 84000, while the sum is 38.

The square root of 55052786 is about 7419.7564650061. The cubic root of 55052786 is about 380.4168693866.

The spelling of 55052786 in words is "fifty-five million, fifty-two thousand, seven hundred eighty-six".