55323110040 has 64 divisors (see below), whose sum is σ = 181057455360. Its totient is φ = 13411662720.

The previous prime is 55323109997. The next prime is 55323110041. The reversal of 55323110040 is 4001132355.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55323110041) 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, 20954404 + ... + 20957043.

It is an arithmetic number, because the mean of its divisors is an integer number (2829022740).

Almost surely, 2^55323110040 is an apocalyptic number.

It is an amenable number.

55323110040 is an abundant number, since it is smaller than the sum of its proper divisors (125734345320).

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

55323110040 is a wasteful number, since it uses less digits than its factorization.

55323110040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41911472 (or 41911468 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 55323110040 its reverse (4001132355), we get a palindrome (59324242395).

The spelling of 55323110040 in words is "fifty-five billion, three hundred twenty-three million, one hundred ten thousand, forty".