55553029975 has 12 divisors (see below), whose sum is σ = 71107879360. Its totient is φ = 43008796800.

The previous prime is 55553029957. The next prime is 55553029997. The reversal of 55553029975 is 57992035555.

It is not a de Polignac number, because 55553029975 - 2¹⁷ = 55552898903 is a prime.

It is a super-3 number, since 3×55553029975³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35839890 + ... + 35841439.

Almost surely, 2^55553029975 is an apocalyptic number.

55553029975 is a deficient number, since it is larger than the sum of its proper divisors (15554849385).

55553029975 is a wasteful number, since it uses less digits than its factorization.

55553029975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71681370 (or 71681365 counting only the distinct ones).

The product of its (nonzero) digits is 10631250, while the sum is 55.

The spelling of 55553029975 in words is "fifty-five billion, five hundred fifty-three million, twenty-nine thousand, nine hundred seventy-five".