55097180 has 12 divisors (see below), whose sum is σ = 115704120. Its totient is φ = 22038864.

The previous prime is 55097177. The next prime is 55097183. The reversal of 55097180 is 8179055.

It is an interprime number because it is at equal distance from previous prime (55097177) and next prime (55097183).

It is a self number, because there is not a number n which added to its sum of digits gives 55097180.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55097183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1377410 + ... + 1377449.

It is an arithmetic number, because the mean of its divisors is an integer number (9642010).

Almost surely, 2^55097180 is an apocalyptic number.

It is an amenable number.

55097180 is an abundant number, since it is smaller than the sum of its proper divisors (60606940).

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

55097180 is a wasteful number, since it uses less digits than its factorization.

55097180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2754868 (or 2754866 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 35.

The square root of 55097180 is about 7422.7474697716. The cubic root of 55097180 is about 380.5190966625.

The spelling of 55097180 in words is "fifty-five million, ninety-seven thousand, one hundred eighty".