55361072 has 20 divisors (see below), whose sum is σ = 115513440. Its totient is φ = 25551168.

The previous prime is 55361063. The next prime is 55361077. The reversal of 55361072 is 27016355.

55361072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55361077) 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 3 ways as a sum of consecutive naturals, for example, 132872 + ... + 133287.

It is an arithmetic number, because the mean of its divisors is an integer number (5775672).

Almost surely, 2^55361072 is an apocalyptic number.

55361072 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55361072 is an abundant number, since it is smaller than the sum of its proper divisors (60152368).

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

55361072 is a wasteful number, since it uses less digits than its factorization.

55361072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266180 (or 266174 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 55361072 is about 7440.5021335929. The cubic root of 55361072 is about 381.1256374096.

The spelling of 55361072 in words is "fifty-five million, three hundred sixty-one thousand, seventy-two".