42555510455 has 32 divisors (see below), whose sum is σ = 55211621760. Its totient is φ = 31391557120.

The previous prime is 42555510451. The next prime is 42555510479. The reversal of 42555510455 is 55401555524.

42555510455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42555510455 - 2² = 42555510451 is a prime.

It is a super-2 number, since 2×42555510455² (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 (42555510451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2167985 + ... + 2187525.

It is an arithmetic number, because the mean of its divisors is an integer number (1725363180).

Almost surely, 2^42555510455 is an apocalyptic number.

42555510455 is a deficient number, since it is larger than the sum of its proper divisors (12656111305).

42555510455 is a wasteful number, since it uses less digits than its factorization.

42555510455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20251.

The product of its (nonzero) digits is 500000, while the sum is 41.

The spelling of 42555510455 in words is "forty-two billion, five hundred fifty-five million, five hundred ten thousand, four hundred fifty-five".