42759855 has 24 divisors (see below), whose sum is σ = 74419488. Its totient is φ = 22712256.

The previous prime is 42759839. The next prime is 42759859. The reversal of 42759855 is 55895724.

42759855 is a `hidden beast` number, since 4 + 2 + 7 + 598 + 55 = 666.

It is not a de Polignac number, because 42759855 - 2⁴ = 42759839 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42759855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42759859) 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, 10029 + ... + 13641.

It is an arithmetic number, because the mean of its divisors is an integer number (3100812).

Almost surely, 2^42759855 is an apocalyptic number.

42759855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42759855 is a deficient number, since it is larger than the sum of its proper divisors (31659633).

42759855 is a wasteful number, since it uses less digits than its factorization.

42759855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887 (or 3884 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 42759855 is about 6539.1020025689. The cubic root of 42759855 is about 349.6863993693.

The spelling of 42759855 in words is "forty-two million, seven hundred fifty-nine thousand, eight hundred fifty-five".