55034388 has 18 divisors (see below), whose sum is σ = 139114794. Its totient is φ = 18344784.

The previous prime is 55034387. The next prime is 55034411. The reversal of 55034388 is 88343055.

It can be written as a sum of positive squares in only one way, i.e., 43007364 + 12027024 = 6558^2 + 3468^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1528733 = 55034388 / (5 + 5 + 0 + 3 + 4 + 3 + 8 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55034387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 764331 + ... + 764402.

Almost surely, 2^55034388 is an apocalyptic number.

It is an amenable number.

55034388 is an abundant number, since it is smaller than the sum of its proper divisors (84080406).

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

55034388 is a wasteful number, since it uses less digits than its factorization.

55034388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528743 (or 1528738 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 55034388 is about 7418.5165633029. The cubic root of 55034388 is about 380.3744877024.

The spelling of 55034388 in words is "fifty-five million, thirty-four thousand, three hundred eighty-eight".