53415705 has 32 divisors (see below), whose sum is σ = 98178048. Its totient is φ = 24292800.

The previous prime is 53415701. The next prime is 53415721. The reversal of 53415705 is 50751435.

It is not a de Polignac number, because 53415705 - 2² = 53415701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53415701) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20950 + ... + 23360.

It is an arithmetic number, because the mean of its divisors is an integer number (3068064).

Almost surely, 2^53415705 is an apocalyptic number.

It is an amenable number.

53415705 is a deficient number, since it is larger than the sum of its proper divisors (44762343).

53415705 is a wasteful number, since it uses less digits than its factorization.

53415705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2637.

The product of its (nonzero) digits is 10500, while the sum is 30.

The square root of 53415705 is about 7308.6048600263. The cubic root of 53415705 is about 376.6080986373.

The spelling of 53415705 in words is "fifty-three million, four hundred fifteen thousand, seven hundred five".