55506613740 has 24 divisors (see below), whose sum is σ = 155418518640. Its totient is φ = 14801763648.

The previous prime is 55506613711. The next prime is 55506613783. The reversal of 55506613740 is 4731660555.

It is a junction number, because it is equal to n+sod(n) for n = 55506613692 and 55506613701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 462555055 + ... + 462555174.

It is an arithmetic number, because the mean of its divisors is an integer number (6475771610).

Almost surely, 2^55506613740 is an apocalyptic number.

It is an amenable number.

55506613740 is an abundant number, since it is smaller than the sum of its proper divisors (99911904900).

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

55506613740 is a wasteful number, since it uses less digits than its factorization.

55506613740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925110241 (or 925110239 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 42.

The spelling of 55506613740 in words is "fifty-five billion, five hundred six million, six hundred thirteen thousand, seven hundred forty".