53424047 has 4 divisors (see below), whose sum is σ = 56566656. Its totient is φ = 50281440.

The previous prime is 53424043. The next prime is 53424089. The reversal of 53424047 is 74042435.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74042435 = 5 ⋅14808487.

It is a cyclic number.

It is not a de Polignac number, because 53424047 - 2² = 53424043 is a prime.

It is a super-3 number, since 3×53424047³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53424043) 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, 1571279 + ... + 1571312.

It is an arithmetic number, because the mean of its divisors is an integer number (14141664).

Almost surely, 2^53424047 is an apocalyptic number.

53424047 is a deficient number, since it is larger than the sum of its proper divisors (3142609).

53424047 is a wasteful number, since it uses less digits than its factorization.

53424047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3142608.

The product of its (nonzero) digits is 13440, while the sum is 29.

The square root of 53424047 is about 7309.1755349013. The cubic root of 53424047 is about 376.6277027420.

The spelling of 53424047 in words is "fifty-three million, four hundred twenty-four thousand, forty-seven".