55063944 has 96 divisors (see below), whose sum is σ = 162653400. Its totient is φ = 16727040.

The previous prime is 55063889. The next prime is 55063961. The reversal of 55063944 is 44936055.

It is a happy number.

55063944 is a `hidden beast` number, since 550 + 63 + 9 + 44 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 37675044 + 17388900 = 6138^2 + 4170^2 .

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 = 55063899 and 55063908.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82974 + ... + 83634.

Almost surely, 2^55063944 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 55063944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81326700).

55063944 is an abundant number, since it is smaller than the sum of its proper divisors (107589456).

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

55063944 is a wasteful number, since it uses less digits than its factorization.

55063944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The square root of 55063944 is about 7420.5083383822. The cubic root of 55063944 is about 380.4425683869.

Adding to 55063944 its reverse (44936055), we get a palindrome (99999999).

The spelling of 55063944 in words is "fifty-five million, sixty-three thousand, nine hundred forty-four".