42254055 has 48 divisors (see below), whose sum is σ = 77051520. Its totient is φ = 22210848.

The previous prime is 42254053. The next prime is 42254063. The reversal of 42254055 is 55045224.

It is not a de Polignac number, because 42254055 - 2¹ = 42254053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42254053) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100636 + ... + 101054.

It is an arithmetic number, because the mean of its divisors is an integer number (1605240).

Almost surely, 2^42254055 is an apocalyptic number.

42254055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42254055 is a deficient number, since it is larger than the sum of its proper divisors (34797465).

42254055 is an equidigital number, since it uses as much as digits as its factorization.

42254055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 510 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 42254055 is about 6500.3119155930. The cubic root of 42254055 is about 348.3021306014.

Adding to 42254055 its reverse (55045224), we get a palindrome (97299279).

The spelling of 42254055 in words is "forty-two million, two hundred fifty-four thousand, fifty-five".