55003040 has 24 divisors (see below), whose sum is σ = 129945060. Its totient is φ = 22001152.

The previous prime is 55003037. The next prime is 55003093. The reversal of 55003040 is 4030055.

It can be written as a sum of positive squares in 2 ways, for example, as 51208336 + 3794704 = 7156^2 + 1948^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 171725 + ... + 172044.

Almost surely, 2^55003040 is an apocalyptic number.

It is an amenable number.

55003040 is an abundant number, since it is smaller than the sum of its proper divisors (74942020).

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

55003040 is a wasteful number, since it uses less digits than its factorization.

55003040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343784 (or 343776 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 17.

The square root of 55003040 is about 7416.4034410218. The cubic root of 55003040 is about 380.3022525989.

Adding to 55003040 its reverse (4030055), we get a palindrome (59033095).

The spelling of 55003040 in words is "fifty-five million, three thousand, forty".