39455457 has 16 divisors (see below), whose sum is σ = 57288000. Its totient is φ = 24058944.

The previous prime is 39455441. The next prime is 39455459. The reversal of 39455457 is 75455493.

It is not a de Polignac number, because 39455457 - 2⁴ = 39455441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39455459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10282 + ... + 13587.

It is an arithmetic number, because the mean of its divisors is an integer number (3580500).

Almost surely, 2^39455457 is an apocalyptic number.

It is an amenable number.

39455457 is a deficient number, since it is larger than the sum of its proper divisors (17832543).

39455457 is a wasteful number, since it uses less digits than its factorization.

39455457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23920.

The product of its digits is 378000, while the sum is 42.

The square root of 39455457 is about 6281.3578945957. The cubic root of 39455457 is about 340.4361674456.

The spelling of 39455457 in words is "thirty-nine million, four hundred fifty-five thousand, four hundred fifty-seven".