52421746 has 16 divisors (see below), whose sum is σ = 85333248. Its totient is φ = 24008400.

The previous prime is 52421729. The next prime is 52421749. The reversal of 52421746 is 64712425.

It is not an unprimeable number, because it can be changed into a prime (52421749) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4290 + ... + 11101.

It is an arithmetic number, because the mean of its divisors is an integer number (5333328).

Almost surely, 2^52421746 is an apocalyptic number.

52421746 is a deficient number, since it is larger than the sum of its proper divisors (32911502).

52421746 is a wasteful number, since it uses less digits than its factorization.

52421746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15537.

The product of its digits is 13440, while the sum is 31.

The square root of 52421746 is about 7240.2863203053. The cubic root of 52421746 is about 374.2574842394.

The spelling of 52421746 in words is "fifty-two million, four hundred twenty-one thousand, seven hundred forty-six".