52457641 has 4 divisors (see below), whose sum is σ = 54738432. Its totient is φ = 50176852.

The previous prime is 52457633. The next prime is 52457653. The reversal of 52457641 is 14675425.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 52457641 - 2³ = 52457633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52457597 and 52457606.

It is not an unprimeable number, because it can be changed into a prime (52457681) 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, 1140361 + ... + 1140406.

It is an arithmetic number, because the mean of its divisors is an integer number (13684608).

Almost surely, 2^52457641 is an apocalyptic number.

It is an amenable number.

52457641 is a deficient number, since it is larger than the sum of its proper divisors (2280791).

52457641 is a wasteful number, since it uses less digits than its factorization.

52457641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2280790.

The product of its digits is 33600, while the sum is 34.

The square root of 52457641 is about 7242.7647345472. The cubic root of 52457641 is about 374.3428871390.

The spelling of 52457641 in words is "fifty-two million, four hundred fifty-seven thousand, six hundred forty-one".