55005949272 has 32 divisors (see below), whose sum is σ = 138309767280. Its totient is φ = 18229330560.

The previous prime is 55005949261. The next prime is 55005949283. The reversal of 55005949272 is 27294950055.

It is a happy number.

55005949272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55005949261) and next prime (55005949283).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6619879 + ... + 6628182.

Almost surely, 2^55005949272 is an apocalyptic number.

It is an amenable number.

55005949272 is an abundant number, since it is smaller than the sum of its proper divisors (83303818008).

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

55005949272 is a wasteful number, since it uses less digits than its factorization.

55005949272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13248243 (or 13248239 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 48.

The spelling of 55005949272 in words is "fifty-five billion, five million, nine hundred forty-nine thousand, two hundred seventy-two".