55119744 has 128 divisors (see below), whose sum is σ = 167076000. Its totient is φ = 17879040.

The previous prime is 55119737. The next prime is 55119781. The reversal of 55119744 is 44791155.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a junction number, because it is equal to n+sod(n) for n = 55119699 and 55119708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 141502 + ... + 141890.

Almost surely, 2^55119744 is an apocalyptic number.

55119744 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55119744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83538000).

55119744 is an abundant number, since it is smaller than the sum of its proper divisors (111956256).

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

55119744 is a wasteful number, since it uses less digits than its factorization.

55119744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453 (or 435 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 55119744 is about 7424.2672365695. The cubic root of 55119744 is about 380.5710343544.

The spelling of 55119744 in words is "fifty-five million, one hundred nineteen thousand, seven hundred forty-four".