55452405012 has 24 divisors (see below), whose sum is σ = 131320125216. Its totient is φ = 18208252128.

The previous prime is 55452405011. The next prime is 55452405017. The reversal of 55452405012 is 21050425455.

It is a super-2 number, since 2×55452405012² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55452405011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34484523 + ... + 34486130.

It is an arithmetic number, because the mean of its divisors is an integer number (5471671884).

Almost surely, 2^55452405012 is an apocalyptic number.

It is an amenable number.

55452405012 is an abundant number, since it is smaller than the sum of its proper divisors (75867720204).

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

55452405012 is a wasteful number, since it uses less digits than its factorization.

55452405012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68970727 (or 68970725 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 55452405012 in words is "fifty-five billion, four hundred fifty-two million, four hundred five thousand, twelve".