53947715 has 8 divisors (see below), whose sum is σ = 68545440. Its totient is φ = 40619392.

The previous prime is 53947711. The next prime is 53947727. The reversal of 53947715 is 51774935.

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

It is not a de Polignac number, because 53947715 - 2² = 53947711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53947711) 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, 317255 + ... + 317424.

It is an arithmetic number, because the mean of its divisors is an integer number (8568180).

Almost surely, 2^53947715 is an apocalyptic number.

53947715 is a deficient number, since it is larger than the sum of its proper divisors (14597725).

53947715 is a wasteful number, since it uses less digits than its factorization.

53947715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634701.

The product of its digits is 132300, while the sum is 41.

The square root of 53947715 is about 7344.9108231482. The cubic root of 53947715 is about 377.8542848861.

The spelling of 53947715 in words is "fifty-three million, nine hundred forty-seven thousand, seven hundred fifteen".