42055432 has 8 divisors (see below), whose sum is σ = 78853950. Its totient is φ = 21027712.

The previous prime is 42055411. The next prime is 42055451. The reversal of 42055432 is 23455024.

It can be written as a sum of positive squares in only one way, i.e., 35117476 + 6937956 = 5926^2 + 2634^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 42055397 and 42055406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628457 + ... + 2628472.

Almost surely, 2^42055432 is an apocalyptic number.

It is an amenable number.

42055432 is a deficient number, since it is larger than the sum of its proper divisors (36798518).

42055432 is a wasteful number, since it uses less digits than its factorization.

42055432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5256935 (or 5256931 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 42055432 is about 6485.0159598878. The cubic root of 42055432 is about 347.7555203638.

The spelling of 42055432 in words is "forty-two million, fifty-five thousand, four hundred thirty-two".