55689036 has 24 divisors (see below), whose sum is σ = 139936944. Its totient is φ = 17135040.

The previous prime is 55689013. The next prime is 55689037. The reversal of 55689036 is 63098655.

It is not an unprimeable number, because it can be changed into a prime (55689037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178335 + ... + 178646.

It is an arithmetic number, because the mean of its divisors is an integer number (5830706).

Almost surely, 2^55689036 is an apocalyptic number.

It is an amenable number.

55689036 is an abundant number, since it is smaller than the sum of its proper divisors (84247908).

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

55689036 is a wasteful number, since it uses less digits than its factorization.

55689036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357001 (or 356999 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 55689036 is about 7462.5086934623. The cubic root of 55689036 is about 381.8767636974.

The spelling of 55689036 in words is "fifty-five million, six hundred eighty-nine thousand, thirty-six".