53470731 has 8 divisors (see below), whose sum is σ = 75046720. Its totient is φ = 33770952.

The previous prime is 53470727. The next prime is 53470759. The reversal of 53470731 is 13707435.

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

It is not a de Polignac number, because 53470731 - 2² = 53470727 is a prime.

It is a super-2 number, since 2×53470731² = 5718238147348722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53470721) 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, 468985 + ... + 469098.

It is an arithmetic number, because the mean of its divisors is an integer number (9380840).

Almost surely, 2^53470731 is an apocalyptic number.

53470731 is a deficient number, since it is larger than the sum of its proper divisors (21575989).

53470731 is a wasteful number, since it uses less digits than its factorization.

53470731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 938105.

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 53470731 is about 7312.3683577894. The cubic root of 53470731 is about 376.7373747576.

The spelling of 53470731 in words is "fifty-three million, four hundred seventy thousand, seven hundred thirty-one".