55342580 has 12 divisors (see below), whose sum is σ = 116219460. Its totient is φ = 22137024.

The previous prime is 55342559. The next prime is 55342597. The reversal of 55342580 is 8524355.

It can be written as a sum of positive squares in 2 ways, for example, as 38663524 + 16679056 = 6218^2 + 4084^2 .

It is a super-2 number, since 2×55342580² = 6125602322112800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1383545 + ... + 1383584.

It is an arithmetic number, because the mean of its divisors is an integer number (9684955).

Almost surely, 2^55342580 is an apocalyptic number.

It is an amenable number.

55342580 is an abundant number, since it is smaller than the sum of its proper divisors (60876880).

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

55342580 is a wasteful number, since it uses less digits than its factorization.

55342580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767138 (or 2767136 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 55342580 is about 7439.2593717386. The cubic root of 55342580 is about 381.0831974791.

The spelling of 55342580 in words is "fifty-five million, three hundred forty-two thousand, five hundred eighty".