55201521610 has 32 divisors (see below), whose sum is σ = 105244190352. Its totient is φ = 20774522880.

The previous prime is 55201521577. The next prime is 55201521653. The reversal of 55201521610 is 1612510255.

It can be written as a sum of positive squares in 8 ways, for example, as 52886660841 + 2314860769 = 229971^2 + 48113^2 .

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 447030 + ... + 556990.

Almost surely, 2^55201521610 is an apocalyptic number.

55201521610 is a deficient number, since it is larger than the sum of its proper divisors (50042668742).

55201521610 is a wasteful number, since it uses less digits than its factorization.

55201521610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112938.

The product of its (nonzero) digits is 3000, while the sum is 28.

The spelling of 55201521610 in words is "fifty-five billion, two hundred one million, five hundred twenty-one thousand, six hundred ten".