42857355024550 has 48 divisors (see below), whose sum is σ = 91538388936000. Its totient is φ = 14764256272800.

The previous prime is 42857355024511. The next prime is 42857355024553. The reversal of 42857355024550 is 5542055375824.

It is a super-2 number, since 2×42857355024550² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a junction number, because it is equal to n+sod(n) for n = 42857355024491 and 42857355024500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42857355024553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2050580700 + ... + 2050601599.

It is an arithmetic number, because the mean of its divisors is an integer number (1907049769500).

Almost surely, 2^{42857355024550} is an apocalyptic number.

42857355024550 is an abundant number, since it is smaller than the sum of its proper divisors (48681033911450).

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

42857355024550 is a wasteful number, since it uses less digits than its factorization.

42857355024550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4101182341 (or 4101182336 counting only the distinct ones).

The product of its (nonzero) digits is 33600000, while the sum is 55.

The spelling of 42857355024550 in words is "forty-two trillion, eight hundred fifty-seven billion, three hundred fifty-five million, twenty-four thousand, five hundred fifty".