55755744 has 96 divisors (see below), whose sum is σ = 164094336. Its totient is φ = 16427520.

The previous prime is 55755743. The next prime is 55755757. The reversal of 55755744 is 44755755.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 55755696 and 55755705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55755743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38359 + ... + 39785.

It is an arithmetic number, because the mean of its divisors is an integer number (1709316).

Almost surely, 2^55755744 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 55755744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82047168).

55755744 is an abundant number, since it is smaller than the sum of its proper divisors (108338592).

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

55755744 is a wasteful number, since it uses less digits than its factorization.

55755744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1480 counting only the distinct ones).

The product of its digits is 490000, while the sum is 42.

The square root of 55755744 is about 7466.9768983170. The cubic root of 55755744 is about 382.0291819122.

The spelling of 55755744 in words is "fifty-five million, seven hundred fifty-five thousand, seven hundred forty-four".