55370673612 has 72 divisors (see below), whose sum is σ = 144347979776. Its totient is φ = 17885647584.

The previous prime is 55370673607. The next prime is 55370673619. The reversal of 55370673612 is 21637607355.

55370673612 is a `hidden beast` number, since 553 + 7 + 0 + 67 + 36 + 1 + 2 = 666.

It is a super-2 number, since 2×55370673612² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55370673619) 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 23 ways as a sum of consecutive naturals, for example, 55773 + ... + 337419.

Almost surely, 2^55370673612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55370673612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72173989888).

55370673612 is an abundant number, since it is smaller than the sum of its proper divisors (88977306164).

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

55370673612 is a wasteful number, since it uses less digits than its factorization.

55370673612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281827 (or 281822 counting only the distinct ones).

The product of its (nonzero) digits is 793800, while the sum is 45.

The spelling of 55370673612 in words is "fifty-five billion, three hundred seventy million, six hundred seventy-three thousand, six hundred twelve".