55546021310 has 32 divisors (see below), whose sum is σ = 107685214560. Its totient is φ = 20507131008.

The previous prime is 55546021277. The next prime is 55546021339. The reversal of 55546021310 is 1312064555.

It is a super-2 number, since 2×55546021310² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1735109 + ... + 1766831.

It is an arithmetic number, because the mean of its divisors is an integer number (3365162955).

Almost surely, 2^55546021310 is an apocalyptic number.

55546021310 is a deficient number, since it is larger than the sum of its proper divisors (52139193250).

55546021310 is a wasteful number, since it uses less digits than its factorization.

55546021310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45212.

The product of its (nonzero) digits is 18000, while the sum is 32.

Adding to 55546021310 its reverse (1312064555), we get a palindrome (56858085865).

The spelling of 55546021310 in words is "fifty-five billion, five hundred forty-six million, twenty-one thousand, three hundred ten".