55620301275 has 288 divisors, whose sum is σ = 127466127360. Its totient is φ = 22516704000.

The previous prime is 55620301271. The next prime is 55620301357. The reversal of 55620301275 is 57210302655.

55620301275 is a `hidden beast` number, since 5 + 5 + 620 + 3 + 0 + 1 + 27 + 5 = 666.

It is not a de Polignac number, because 55620301275 - 2² = 55620301271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55620301271) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 126697506 + ... + 126697944.

It is an arithmetic number, because the mean of its divisors is an integer number (442590720).

Almost surely, 2^55620301275 is an apocalyptic number.

55620301275 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55620301275 is an abundant number, since it is smaller than the sum of its proper divisors (71845826085).

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

55620301275 is a wasteful number, since it uses less digits than its factorization.

55620301275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The spelling of 55620301275 in words is "fifty-five billion, six hundred twenty million, three hundred one thousand, two hundred seventy-five".