55572048 has 320 divisors, whose sum is σ = 205701120. Its totient is φ = 13989888.

The previous prime is 55572047. The next prime is 55572059. The reversal of 55572048 is 84027555.

It is a happy number.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 (55572043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1182361 + ... + 1182407.

It is an arithmetic number, because the mean of its divisors is an integer number (642816).

Almost surely, 2^55572048 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 55572048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102850560).

55572048 is an abundant number, since it is smaller than the sum of its proper divisors (150129072).

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

55572048 is a wasteful number, since it uses less digits than its factorization.

55572048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 55572048 is about 7454.6661897096. Note that the first 3 decimals coincide. The cubic root of 55572048 is about 381.6091687208.

The spelling of 55572048 in words is "fifty-five million, five hundred seventy-two thousand, forty-eight".