55000023204 has 48 divisors (see below), whose sum is σ = 146794191488. Its totient is φ = 15700635648.

The previous prime is 55000023203. The next prime is 55000023227. The reversal of 55000023204 is 40232000055.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (55000023203) 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, 187087 + ... + 380790.

Almost surely, 2^55000023204 is an apocalyptic number.

It is an amenable number.

55000023204 is an abundant number, since it is smaller than the sum of its proper divisors (91794168284).

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

55000023204 is a wasteful number, since it uses less digits than its factorization.

55000023204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569044 (or 569042 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

Adding to 55000023204 its reverse (40232000055), we get a palindrome (95232023259).

The spelling of 55000023204 in words is "fifty-five billion, twenty-three thousand, two hundred four".