55250142233 has 16 divisors (see below), whose sum is σ = 64917730752. Its totient is φ = 46357704000.

The previous prime is 55250142197. The next prime is 55250142253. The reversal of 55250142233 is 33224105255.

It is a cyclic number.

It is not a de Polignac number, because 55250142233 - 2¹⁰ = 55250141209 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55250142233.

It is not an unprimeable number, because it can be changed into a prime (55250142253) 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, 1326698 + ... + 1367708.

It is an arithmetic number, because the mean of its divisors is an integer number (4057358172).

Almost surely, 2^55250142233 is an apocalyptic number.

It is an amenable number.

55250142233 is a deficient number, since it is larger than the sum of its proper divisors (9667588519).

55250142233 is a wasteful number, since it uses less digits than its factorization.

55250142233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50456.

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 55250142233 its reverse (33224105255), we get a palindrome (88474247488).

The spelling of 55250142233 in words is "fifty-five billion, two hundred fifty million, one hundred forty-two thousand, two hundred thirty-three".