55515060570 has 64 divisors (see below), whose sum is σ = 135779328000. Its totient is φ = 14522496576.

The previous prime is 55515060563. The next prime is 55515060577. The reversal of 55515060570 is 7506051555.

It is an interprime number because it is at equal distance from previous prime (55515060563) and next prime (55515060577).

It is not an unprimeable number, because it can be changed into a prime (55515060577) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 815091 + ... + 880569.

It is an arithmetic number, because the mean of its divisors is an integer number (2121552000).

Almost surely, 2^55515060570 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55515060570, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67889664000).

55515060570 is an abundant number, since it is smaller than the sum of its proper divisors (80264267430).

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

55515060570 is a wasteful number, since it uses less digits than its factorization.

55515060570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66027.

The product of its (nonzero) digits is 131250, while the sum is 39.

The spelling of 55515060570 in words is "fifty-five billion, five hundred fifteen million, sixty thousand, five hundred seventy".