55275052507 has 4 divisors (see below), whose sum is σ = 56317978080. Its totient is φ = 54232126936.

The previous prime is 55275052499. The next prime is 55275052559. The reversal of 55275052507 is 70525057255.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55275052507 - 2³ = 55275052499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55275052607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521462707 + ... + 521462812.

It is an arithmetic number, because the mean of its divisors is an integer number (14079494520).

Almost surely, 2^55275052507 is an apocalyptic number.

55275052507 is a deficient number, since it is larger than the sum of its proper divisors (1042925573).

55275052507 is a wasteful number, since it uses less digits than its factorization.

55275052507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1042925572.

The product of its (nonzero) digits is 612500, while the sum is 43.

The spelling of 55275052507 in words is "fifty-five billion, two hundred seventy-five million, fifty-two thousand, five hundred seven".