53418746 has 4 divisors (see below), whose sum is σ = 80128122. Its totient is φ = 26709372.

The previous prime is 53418731. The next prime is 53418749. The reversal of 53418746 is 64781435.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 42758521 + 10660225 = 6539^2 + 3265^2 .

It is a super-4 number, since 4×53418746⁴ (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (53418749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13354685 + ... + 13354688.

Almost surely, 2^53418746 is an apocalyptic number.

53418746 is a deficient number, since it is larger than the sum of its proper divisors (26709376).

53418746 is a wasteful number, since it uses less digits than its factorization.

53418746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26709375.

The product of its digits is 80640, while the sum is 38.

The square root of 53418746 is about 7308.8128995070. The cubic root of 53418746 is about 376.6152453712.

The spelling of 53418746 in words is "fifty-three million, four hundred eighteen thousand, seven hundred forty-six".