55512468 has 72 divisors (see below), whose sum is σ = 154679616. Its totient is φ = 16646400.

The previous prime is 55512461. The next prime is 55512473. The reversal of 55512468 is 86421555.

55512468 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55512461) 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 23 ways as a sum of consecutive naturals, for example, 40108 + ... + 41468.

It is an arithmetic number, because the mean of its divisors is an integer number (2148328).

Almost surely, 2^55512468 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55512468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77339808).

55512468 is an abundant number, since it is smaller than the sum of its proper divisors (99167148).

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

55512468 is a wasteful number, since it uses less digits than its factorization.

55512468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485 (or 1480 counting only the distinct ones).

The product of its digits is 48000, while the sum is 36.

The square root of 55512468 is about 7450.6689632542. The cubic root of 55512468 is about 381.4727427939.

The spelling of 55512468 in words is "fifty-five million, five hundred twelve thousand, four hundred sixty-eight".