55511260 has 24 divisors (see below), whose sum is σ = 133227360. Its totient is φ = 19032384.

The previous prime is 55511243. The next prime is 55511263. The reversal of 55511260 is 6211555.

55511260 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55511263) 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 7 ways as a sum of consecutive naturals, for example, 198115 + ... + 198394.

It is an arithmetic number, because the mean of its divisors is an integer number (5551140).

Almost surely, 2^55511260 is an apocalyptic number.

It is an amenable number.

55511260 is an abundant number, since it is smaller than the sum of its proper divisors (77716100).

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

55511260 is a wasteful number, since it uses less digits than its factorization.

55511260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396525 (or 396523 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 55511260 is about 7450.5878962670. The cubic root of 55511260 is about 381.4699757134.

The spelling of 55511260 in words is "fifty-five million, five hundred eleven thousand, two hundred sixty".