53015461 has 4 divisors (see below), whose sum is σ = 53130924. Its totient is φ = 52900000.

The previous prime is 53015449. The next prime is 53015471. The reversal of 53015461 is 16451035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16451035 = 5 ⋅3290207.

It can be written as a sum of positive squares in 2 ways, for example, as 16654561 + 36360900 = 4081^2 + 6030^2 .

It is a 5-Lehmer number, since φ(53015461) divides (53015461-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 53015461 - 2⁵ = 53015429 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53015441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57040 + ... + 57961.

It is an arithmetic number, because the mean of its divisors is an integer number (13282731).

Almost surely, 2^53015461 is an apocalyptic number.

It is an amenable number.

53015461 is a deficient number, since it is larger than the sum of its proper divisors (115463).

53015461 is a wasteful number, since it uses less digits than its factorization.

53015461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115462.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 53015461 is about 7281.1716776903. The cubic root of 53015461 is about 375.6650976156.

Adding to 53015461 its reverse (16451035), we get a palindrome (69466496).

The spelling of 53015461 in words is "fifty-three million, fifteen thousand, four hundred sixty-one".