42955479 has 12 divisors (see below), whose sum is σ = 70910736. Its totient is φ = 24545952.

The previous prime is 42955469. The next prime is 42955489. The reversal of 42955479 is 97455924.

42955479 is a `hidden beast` number, since 4 + 29 + 554 + 79 = 666.

It is an interprime number because it is at equal distance from previous prime (42955469) and next prime (42955489).

It is not a de Polignac number, because 42955479 - 2¹² = 42951383 is a prime.

It is a super-2 number, since 2×42955479² = 3690346352238882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42955459) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 340854 + ... + 340979.

It is an arithmetic number, because the mean of its divisors is an integer number (5909228).

Almost surely, 2^42955479 is an apocalyptic number.

42955479 is a deficient number, since it is larger than the sum of its proper divisors (27955257).

42955479 is a wasteful number, since it uses less digits than its factorization.

42955479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 681846 (or 681843 counting only the distinct ones).

The product of its digits is 453600, while the sum is 45.

The square root of 42955479 is about 6554.0429507290. The cubic root of 42955479 is about 350.2188535994.

It can be divided in two parts, 42955 and 479, that added together give a palindrome (43434).

The spelling of 42955479 in words is "forty-two million, nine hundred fifty-five thousand, four hundred seventy-nine".