55533212460 has 72 divisors (see below), whose sum is σ = 183764455056. Its totient is φ = 13462596480.

The previous prime is 55533212447. The next prime is 55533212491. The reversal of 55533212460 is 6421233555.

55533212460 is a `hidden beast` number, since 5 + 553 + 3 + 21 + 24 + 60 = 666.

It is a super-2 number, since 2×55533212460² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14021559 + ... + 14025518.

It is an arithmetic number, because the mean of its divisors is an integer number (2552284098).

Almost surely, 2^55533212460 is an apocalyptic number.

It is an amenable number.

55533212460 is an abundant number, since it is smaller than the sum of its proper divisors (128231242596).

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

55533212460 is a wasteful number, since it uses less digits than its factorization.

55533212460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28047103 (or 28047098 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 55533212460 in words is "fifty-five billion, five hundred thirty-three million, two hundred twelve thousand, four hundred sixty".