55669152 has 192 divisors, whose sum is σ = 193342464. Its totient is φ = 13578240.

The previous prime is 55669147. The next prime is 55669153. The reversal of 55669152 is 25196655.

It is a self number, because there is not a number n which added to its sum of digits gives 55669152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55669153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 125443 + ... + 125885.

It is an arithmetic number, because the mean of its divisors is an integer number (1006992).

Almost surely, 2^55669152 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 55669152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96671232).

55669152 is an abundant number, since it is smaller than the sum of its proper divisors (137673312).

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

55669152 is a wasteful number, since it uses less digits than its factorization.

55669152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 483 counting only the distinct ones).

The product of its digits is 81000, while the sum is 39.

The square root of 55669152 is about 7461.1763147643. The cubic root of 55669152 is about 381.8313080624.

The spelling of 55669152 in words is "fifty-five million, six hundred sixty-nine thousand, one hundred fifty-two".