55549152 has 120 divisors (see below), whose sum is σ = 169230600. Its totient is φ = 17853696.

The previous prime is 55549133. The next prime is 55549177. The reversal of 55549152 is 25194555.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 74799 + ... + 75537.

It is an arithmetic number, because the mean of its divisors is an integer number (1410255).

Almost surely, 2^55549152 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 55549152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84615300).

55549152 is an abundant number, since it is smaller than the sum of its proper divisors (113681448).

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

55549152 is a wasteful number, since it uses less digits than its factorization.

55549152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790 (or 773 counting only the distinct ones).

The product of its digits is 45000, while the sum is 36.

The square root of 55549152 is about 7453.1303490547. The cubic root of 55549152 is about 381.5567531386.

It can be divided in two parts, 55549 and 152, that multiplied together give a palindrome (8443448).

The spelling of 55549152 in words is "fifty-five million, five hundred forty-nine thousand, one hundred fifty-two".