55503028275 has 12 divisors (see below), whose sum is σ = 91765006872. Its totient is φ = 29601615040.

The previous prime is 55503028267. The next prime is 55503028279. The reversal of 55503028275 is 57282030555.

It is a happy number.

It is not a de Polignac number, because 55503028275 - 2³ = 55503028267 is a prime.

It is a super-2 number, since 2×55503028275² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55503028279) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 370020114 + ... + 370020263.

It is an arithmetic number, because the mean of its divisors is an integer number (7647083906).

Almost surely, 2^55503028275 is an apocalyptic number.

55503028275 is a deficient number, since it is larger than the sum of its proper divisors (36261978597).

55503028275 is a wasteful number, since it uses less digits than its factorization.

55503028275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740040390 (or 740040385 counting only the distinct ones).

The product of its (nonzero) digits is 420000, while the sum is 42.

The spelling of 55503028275 in words is "fifty-five billion, five hundred three million, twenty-eight thousand, two hundred seventy-five".