55450229747000 has 64 divisors (see below), whose sum is σ = 141549313782240. Its totient is φ = 20163719904000.

The previous prime is 55450229746981. The next prime is 55450229747119. The reversal of 55450229747000 is 74792205455.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a self number, because there is not a number n which added to its sum of digits gives 55450229747000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2520453989 + ... + 2520475988.

Almost surely, 2^{55450229747000} is an apocalyptic number.

55450229747000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55450229747000 is an abundant number, since it is smaller than the sum of its proper divisors (86099084035240).

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

55450229747000 is a wasteful number, since it uses less digits than its factorization.

55450229747000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040930009 (or 5040929995 counting only the distinct ones).

The product of its (nonzero) digits is 3528000, while the sum is 50.

The spelling of 55450229747000 in words is "fifty-five trillion, four hundred fifty billion, two hundred twenty-nine million, seven hundred forty-seven thousand".