55036690 has 16 divisors (see below), whose sum is σ = 99240192. Its totient is φ = 21975984.

The previous prime is 55036679. The next prime is 55036699. The reversal of 55036690 is 9663055.

55036690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55036690² = 6058074492312200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55036699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1537 + ... + 10603.

It is an arithmetic number, because the mean of its divisors is an integer number (6202512).

Almost surely, 2^55036690 is an apocalyptic number.

55036690 is a deficient number, since it is larger than the sum of its proper divisors (44203502).

55036690 is a wasteful number, since it uses less digits than its factorization.

55036690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9681.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 55036690 is about 7418.6717139930. The cubic root of 55036690 is about 380.3797911130.

The spelling of 55036690 in words is "fifty-five million, thirty-six thousand, six hundred ninety".