51725470 has 8 divisors (see below), whose sum is σ = 93105864. Its totient is φ = 20690184.

The previous prime is 51725461. The next prime is 51725489. The reversal of 51725470 is 7452715.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2586264 + ... + 2586283.

It is an arithmetic number, because the mean of its divisors is an integer number (11638233).

Almost surely, 2^51725470 is an apocalyptic number.

51725470 is a deficient number, since it is larger than the sum of its proper divisors (41380394).

51725470 is a wasteful number, since it uses less digits than its factorization.

51725470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5172554.

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 51725470 is about 7192.0421300212. The cubic root of 51725470 is about 372.5931061648.

The spelling of 51725470 in words is "fifty-one million, seven hundred twenty-five thousand, four hundred seventy".