49665430 has 32 divisors (see below), whose sum is σ = 96307200. Its totient is φ = 18379872.

The previous prime is 49665409. The next prime is 49665431. The reversal of 49665430 is 3456694.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 49665430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49665431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5131 + ... + 11209.

It is an arithmetic number, because the mean of its divisors is an integer number (3009600).

Almost surely, 2^49665430 is an apocalyptic number.

49665430 is a deficient number, since it is larger than the sum of its proper divisors (46641770).

49665430 is a wasteful number, since it uses less digits than its factorization.

49665430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6148.

The product of its (nonzero) digits is 77760, while the sum is 37.

The square root of 49665430 is about 7047.3704315865. The cubic root of 49665430 is about 367.5795992756.

The spelling of 49665430 in words is "forty-nine million, six hundred sixty-five thousand, four hundred thirty".