55061783 has 16 divisors (see below), whose sum is σ = 64184640. Its totient is φ = 46262016.

The previous prime is 55061779. The next prime is 55061803. The reversal of 55061783 is 38716055.

It is a cyclic number.

It is not a de Polignac number, because 55061783 - 2² = 55061779 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 (55061723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141353 + ... + 141741.

It is an arithmetic number, because the mean of its divisors is an integer number (4011540).

Almost surely, 2^55061783 is an apocalyptic number.

55061783 is a deficient number, since it is larger than the sum of its proper divisors (9122857).

55061783 is a wasteful number, since it uses less digits than its factorization.

55061783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746.

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 55061783 is about 7420.3627269831. The cubic root of 55061783 is about 380.4375914632.

The spelling of 55061783 in words is "fifty-five million, sixty-one thousand, seven hundred eighty-three".