53019147 has 8 divisors (see below), whose sum is σ = 71378944. Its totient is φ = 35002728.

The previous prime is 53019143. The next prime is 53019157. The reversal of 53019147 is 74191035.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53019147 - 2² = 53019143 is a prime.

It is a super-2 number, since 2×53019147² = 5622059897215218, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53019143) 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, 85483 + ... + 86100.

It is an arithmetic number, because the mean of its divisors is an integer number (8922368).

Almost surely, 2^53019147 is an apocalyptic number.

53019147 is a deficient number, since it is larger than the sum of its proper divisors (18359797).

53019147 is a wasteful number, since it uses less digits than its factorization.

53019147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171689.

The product of its (nonzero) digits is 3780, while the sum is 30.

The square root of 53019147 is about 7281.4247918934. The cubic root of 53019147 is about 375.6738036889.

The spelling of 53019147 in words is "fifty-three million, nineteen thousand, one hundred forty-seven".