55567340 has 48 divisors (see below), whose sum is σ = 121908864. Its totient is φ = 21254400.

The previous prime is 55567327. The next prime is 55567349. The reversal of 55567340 is 4376555.

It is a self number, because there is not a number n which added to its sum of digits gives 55567340.

It is not an unprimeable number, because it can be changed into a prime (55567349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44525 + ... + 45755.

It is an arithmetic number, because the mean of its divisors is an integer number (2539768).

Almost surely, 2^55567340 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 55567340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60954432).

55567340 is an abundant number, since it is smaller than the sum of its proper divisors (66341524).

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

55567340 is a wasteful number, since it uses less digits than its factorization.

55567340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338 (or 1336 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 55567340 is about 7454.3504076479. The cubic root of 55567340 is about 381.5983919198.

The spelling of 55567340 in words is "fifty-five million, five hundred sixty-seven thousand, three hundred forty".