53147246 has 4 divisors (see below), whose sum is σ = 79720872. Its totient is φ = 26573622.

The previous prime is 53147239. The next prime is 53147261. The reversal of 53147246 is 64274135.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64274135 = 5 ⋅12854827.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13286810 + ... + 13286813.

It is an arithmetic number, because the mean of its divisors is an integer number (19930218).

Almost surely, 2^53147246 is an apocalyptic number.

53147246 is a deficient number, since it is larger than the sum of its proper divisors (26573626).

53147246 is a wasteful number, since it uses less digits than its factorization.

53147246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26573625.

The product of its digits is 20160, while the sum is 32.

The square root of 53147246 is about 7290.2157718411. The cubic root of 53147246 is about 375.9761141836.

The spelling of 53147246 in words is "fifty-three million, one hundred forty-seven thousand, two hundred forty-six".