55375180 has 24 divisors (see below), whose sum is σ = 132900768. Its totient is φ = 18985728.

The previous prime is 55375163. The next prime is 55375183. The reversal of 55375180 is 8157355.

It is not an unprimeable number, because it can be changed into a prime (55375183) 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, 197629 + ... + 197908.

It is an arithmetic number, because the mean of its divisors is an integer number (5537532).

Almost surely, 2^55375180 is an apocalyptic number.

It is an amenable number.

55375180 is an abundant number, since it is smaller than the sum of its proper divisors (77525588).

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

55375180 is a wasteful number, since it uses less digits than its factorization.

55375180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395553 (or 395551 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 34.

The square root of 55375180 is about 7441.4501274953. The cubic root of 55375180 is about 381.1580095176.

It can be divided in two parts, 55375 and 180, that added together give a palindrome (55555).

The spelling of 55375180 in words is "fifty-five million, three hundred seventy-five thousand, one hundred eighty".