39551242 has 8 divisors (see below), whose sum is σ = 59367456. Its totient is φ = 19762092.

The previous prime is 39551227. The next prime is 39551249. The reversal of 39551242 is 24215593.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (39551249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2598 + ... + 9265.

It is an arithmetic number, because the mean of its divisors is an integer number (7420932).

Almost surely, 2^39551242 is an apocalyptic number.

39551242 is a deficient number, since it is larger than the sum of its proper divisors (19816214).

39551242 is a wasteful number, since it uses less digits than its factorization.

39551242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13532.

The product of its digits is 10800, while the sum is 31.

The square root of 39551242 is about 6288.9778183740. The cubic root of 39551242 is about 340.7114341941.

It can be divided in two parts, 39551 and 242, that added together give a palindrome (39793).

The spelling of 39551242 in words is "thirty-nine million, five hundred fifty-one thousand, two hundred forty-two".