55260012 has 12 divisors (see below), whose sum is σ = 128940056. Its totient is φ = 18420000.

The previous prime is 55259977. The next prime is 55260017. The reversal of 55260012 is 21006255.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (21) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55260017) 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, 2302489 + ... + 2302512.

Almost surely, 2^55260012 is an apocalyptic number.

It is an amenable number.

55260012 is an abundant number, since it is smaller than the sum of its proper divisors (73680044).

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

55260012 is a wasteful number, since it uses less digits than its factorization.

55260012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4605008 (or 4605006 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55260012 is about 7433.7078231526. The cubic root of 55260012 is about 380.8935849567.

Adding to 55260012 its reverse (21006255), we get a palindrome (76266267).

The spelling of 55260012 in words is "fifty-five million, two hundred sixty thousand, twelve".