42554056 has 8 divisors (see below), whose sum is σ = 79788870. Its totient is φ = 21277024.

The previous prime is 42554003. The next prime is 42554069. The reversal of 42554056 is 65045524.

It can be written as a sum of positive squares in only one way, i.e., 24661156 + 17892900 = 4966^2 + 4230^2 .

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

It is a super-2 number, since 2×42554056² = 3621695364102272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2659621 + ... + 2659636.

Almost surely, 2^42554056 is an apocalyptic number.

It is an amenable number.

42554056 is a deficient number, since it is larger than the sum of its proper divisors (37234814).

42554056 is a wasteful number, since it uses less digits than its factorization.

42554056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5319263 (or 5319259 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 42554056 is about 6523.3469936835. The cubic root of 42554056 is about 349.1244947925.

The spelling of 42554056 in words is "forty-two million, five hundred fifty-four thousand, fifty-six".