55202474890 has 16 divisors (see below), whose sum is σ = 101239256808. Its totient is φ = 21664367296.

The previous prime is 55202474867. The next prime is 55202474891. The reversal of 55202474890 is 9847420255.

It can be written as a sum of positive squares in 4 ways, for example, as 39231328761 + 15971146129 = 198069^2 + 126377^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55202474890.

It is not an unprimeable number, because it can be changed into a prime (55202474891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52077277 + ... + 52078336.

Almost surely, 2^55202474890 is an apocalyptic number.

55202474890 is a deficient number, since it is larger than the sum of its proper divisors (46036781918).

55202474890 is a wasteful number, since it uses less digits than its factorization.

55202474890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104155673.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 55202474890 in words is "fifty-five billion, two hundred two million, four hundred seventy-four thousand, eight hundred ninety".