55562364 has 144 divisors (see below), whose sum is σ = 169513344. Its totient is φ = 15120000.

The previous prime is 55562357. The next prime is 55562369. The reversal of 55562364 is 46326555.

It is a happy number.

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 (55562369) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221239 + ... + 221489.

It is an arithmetic number, because the mean of its divisors is an integer number (1177176).

Almost surely, 2^55562364 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 55562364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84756672).

55562364 is an abundant number, since it is smaller than the sum of its proper divisors (113950980).

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

55562364 is a wasteful number, since it uses less digits than its factorization.

55562364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328 (or 323 counting only the distinct ones).

The product of its digits is 108000, while the sum is 36.

The square root of 55562364 is about 7454.0166353450. The cubic root of 55562364 is about 381.5870009944.

The spelling of 55562364 in words is "fifty-five million, five hundred sixty-two thousand, three hundred sixty-four".