55739028 has 24 divisors (see below), whose sum is σ = 135713088. Its totient is φ = 17771776.

The previous prime is 55738999. The next prime is 55739029. The reversal of 55739028 is 82093755.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55739029) 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, 100701 + ... + 101252.

It is an arithmetic number, because the mean of its divisors is an integer number (5654712).

Almost surely, 2^55739028 is an apocalyptic number.

It is an amenable number.

55739028 is an abundant number, since it is smaller than the sum of its proper divisors (79974060).

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

55739028 is a wasteful number, since it uses less digits than its factorization.

55739028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201983 (or 201981 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 55739028 is about 7465.8574859155. The cubic root of 55739028 is about 381.9909996692.

The spelling of 55739028 in words is "fifty-five million, seven hundred thirty-nine thousand, twenty-eight".