53261745 has 8 divisors (see below), whose sum is σ = 85218816. Its totient is φ = 28406256.

The previous prime is 53261743. The next prime is 53261809. The reversal of 53261745 is 54716235.

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

It is not a de Polignac number, because 53261745 - 2¹ = 53261743 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53261743) 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, 1775377 + ... + 1775406.

It is an arithmetic number, because the mean of its divisors is an integer number (10652352).

Almost surely, 2^53261745 is an apocalyptic number.

It is an amenable number.

53261745 is a deficient number, since it is larger than the sum of its proper divisors (31957071).

53261745 is a wasteful number, since it uses less digits than its factorization.

53261745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3550791.

The product of its digits is 25200, while the sum is 33.

The square root of 53261745 is about 7298.0644694330. The cubic root of 53261745 is about 376.2459181391.

The spelling of 53261745 in words is "fifty-three million, two hundred sixty-one thousand, seven hundred forty-five".