55662726570 has 64 divisors (see below), whose sum is σ = 145991756160. Its totient is φ = 13470233600.

The previous prime is 55662726533. The next prime is 55662726599. The reversal of 55662726570 is 7562726655.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39550 + ... + 335990.

It is an arithmetic number, because the mean of its divisors is an integer number (2281121190).

Almost surely, 2^55662726570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55662726570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72995878080).

55662726570 is an abundant number, since it is smaller than the sum of its proper divisors (90329029590).

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

55662726570 is a wasteful number, since it uses less digits than its factorization.

55662726570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297031.

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 55662726570 in words is "fifty-five billion, six hundred sixty-two million, seven hundred twenty-six thousand, five hundred seventy".