55690936 has 32 divisors (see below), whose sum is σ = 121127040. Its totient is φ = 23509728.

The previous prime is 55690931. The next prime is 55690937. The reversal of 55690936 is 63909655.

It is a happy number.

55690936 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55690892 and 55690901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55690931) 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, 3670 + ... + 11173.

It is an arithmetic number, because the mean of its divisors is an integer number (3785220).

Almost surely, 2^55690936 is an apocalyptic number.

55690936 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

55690936 is an abundant number, since it is smaller than the sum of its proper divisors (65436104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55690936 is a wasteful number, since it uses less digits than its factorization.

55690936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14923 (or 14919 counting only the distinct ones).

The product of its (nonzero) digits is 218700, while the sum is 43.

The square root of 55690936 is about 7462.6359954107. The cubic root of 55690936 is about 381.8811066086.

The spelling of 55690936 in words is "fifty-five million, six hundred ninety thousand, nine hundred thirty-six".