55061788 has 6 divisors (see below), whose sum is σ = 96358136. Its totient is φ = 27530892.

The previous prime is 55061779. The next prime is 55061803. The reversal of 55061788 is 88716055.

It is a self number, because there is not a number n which added to its sum of digits gives 55061788.

It is a congruent number.

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, 6882720 + ... + 6882727.

Almost surely, 2^55061788 is an apocalyptic number.

It is an amenable number.

55061788 is a deficient number, since it is larger than the sum of its proper divisors (41296348).

55061788 is a wasteful number, since it uses less digits than its factorization.

55061788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13765451 (or 13765449 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 40.

The square root of 55061788 is about 7420.3630638938. The cubic root of 55061788 is about 380.4376029786.

The spelling of 55061788 in words is "fifty-five million, sixty-one thousand, seven hundred eighty-eight".