55601151520 has 24 divisors (see below), whose sum is σ = 131357720844. Its totient is φ = 22240460544.

The previous prime is 55601151497. The next prime is 55601151521. The reversal of 55601151520 is 2515110655.

It can be written as a sum of positive squares in 2 ways, for example, as 50242325904 + 5358825616 = 224148^2 + 73204^2 .

It is not an unprimeable number, because it can be changed into a prime (55601151521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173753439 + ... + 173753758.

Almost surely, 2^55601151520 is an apocalyptic number.

It is an amenable number.

55601151520 is an abundant number, since it is smaller than the sum of its proper divisors (75756569324).

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

55601151520 is a wasteful number, since it uses less digits than its factorization.

55601151520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347507212 (or 347507204 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 31.

The spelling of 55601151520 in words is "fifty-five billion, six hundred one million, one hundred fifty-one thousand, five hundred twenty".