53372047 has 4 divisors (see below), whose sum is σ = 53844480. Its totient is φ = 52899616.

The previous prime is 53372017. The next prime is 53372087. The reversal of 53372047 is 74027335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74027335 = 5 ⋅14805467.

It is a cyclic number.

It is not a de Polignac number, because 53372047 - 2¹¹ = 53369999 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53372017) 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, 236047 + ... + 236272.

It is an arithmetic number, because the mean of its divisors is an integer number (13461120).

Almost surely, 2^53372047 is an apocalyptic number.

53372047 is a deficient number, since it is larger than the sum of its proper divisors (472433).

53372047 is a wasteful number, since it uses less digits than its factorization.

53372047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472432.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 53372047 is about 7305.6174961464. The cubic root of 53372047 is about 376.5054669120.

It can be divided in two parts, 53 and 372047, that added together give a square (372100 = 610²).

The spelling of 53372047 in words is "fifty-three million, three hundred seventy-two thousand, forty-seven".