55274130 has 32 divisors (see below), whose sum is σ = 147398400. Its totient is φ = 14739696.

The previous prime is 55274119. The next prime is 55274137. The reversal of 55274130 is 3147255.

It is a happy number.

55274130 is a `hidden beast` number, since 5 + 527 + 4 + 130 = 666.

55274130 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 55274094 and 55274103.

It is not an unprimeable number, because it can be changed into a prime (55274137) 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 15 ways as a sum of consecutive naturals, for example, 102090 + ... + 102629.

It is an arithmetic number, because the mean of its divisors is an integer number (4606200).

Almost surely, 2^55274130 is an apocalyptic number.

55274130 is an abundant number, since it is smaller than the sum of its proper divisors (92124270).

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

55274130 is a wasteful number, since it uses less digits than its factorization.

55274130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204735 (or 204729 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 55274130 is about 7434.6573559243. The cubic root of 55274130 is about 380.9260194879.

The spelling of 55274130 in words is "fifty-five million, two hundred seventy-four thousand, one hundred thirty".