55024420331 has 4 divisors (see below), whose sum is σ = 56799401664. Its totient is φ = 53249439000.

The previous prime is 55024420303. The next prime is 55024420343. The reversal of 55024420331 is 13302442055.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55024420331 - 2¹⁸ = 55024158187 is a prime.

It is a super-2 number, since 2×55024420331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55024420294 and 55024420303.

It is not an unprimeable number, because it can be changed into a prime (55024420301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 887490620 + ... + 887490681.

It is an arithmetic number, because the mean of its divisors is an integer number (14199850416).

Almost surely, 2^55024420331 is an apocalyptic number.

55024420331 is a deficient number, since it is larger than the sum of its proper divisors (1774981333).

55024420331 is a wasteful number, since it uses less digits than its factorization.

55024420331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774981332.

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 55024420331 its reverse (13302442055), we get a palindrome (68326862386).

The spelling of 55024420331 in words is "fifty-five billion, twenty-four million, four hundred twenty thousand, three hundred thirty-one".