55052420652 has 18 divisors (see below), whose sum is σ = 139160285628. Its totient is φ = 18350806872.

The previous prime is 55052420651. The next prime is 55052420659. The reversal of 55052420652 is 25602425055.

55052420652 is a `hidden beast` number, since 5 + 50 + 524 + 20 + 65 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×55052420652² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1529233907 = 55052420652 / (5 + 5 + 0 + 5 + 2 + 4 + 2 + 0 + 6 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (55052420651) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 764616918 + ... + 764616989.

Almost surely, 2^55052420652 is an apocalyptic number.

It is an amenable number.

55052420652 is an abundant number, since it is smaller than the sum of its proper divisors (84107864976).

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

55052420652 is a wasteful number, since it uses less digits than its factorization.

55052420652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529233917 (or 1529233912 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 55052420652 in words is "fifty-five billion, fifty-two million, four hundred twenty thousand, six hundred fifty-two".