55445125252000 has 384 divisors, whose sum is σ = 160703126019072. Its totient is φ = 18572118016000.

The previous prime is 55445125251979. The next prime is 55445125252009. The reversal of 55445125252000 is 25252154455.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (55445125252009) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 34367442 + ... + 35944558.

It is an arithmetic number, because the mean of its divisors is an integer number (418497724008).

Almost surely, 2^{55445125252000} is an apocalyptic number.

55445125252000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55445125252000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80351563009536).

55445125252000 is an abundant number, since it is smaller than the sum of its proper divisors (105258000767072).

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

55445125252000 is a wasteful number, since it uses less digits than its factorization.

55445125252000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1577217 (or 1577199 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 40.

The spelling of 55445125252000 in words is "fifty-five trillion, four hundred forty-five billion, one hundred twenty-five million, two hundred fifty-two thousand".