55276241640 has 64 divisors (see below), whose sum is σ = 167296276800. Its totient is φ = 14609882112.

The previous prime is 55276241543. The next prime is 55276241677. The reversal of 55276241640 is 4614267255.

55276241640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55276241592 and 55276241601.

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, 2024650 + ... + 2051769.

It is an arithmetic number, because the mean of its divisors is an integer number (2614004325).

Almost surely, 2^55276241640 is an apocalyptic number.

It is an amenable number.

55276241640 is an abundant number, since it is smaller than the sum of its proper divisors (112020035160).

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

55276241640 is a wasteful number, since it uses less digits than its factorization.

55276241640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4076546 (or 4076542 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 42.

The spelling of 55276241640 in words is "fifty-five billion, two hundred seventy-six million, two hundred forty-one thousand, six hundred forty".