52494621 has 4 divisors (see below), whose sum is σ = 69992832. Its totient is φ = 34996412.

The previous prime is 52494619. The next prime is 52494643. The reversal of 52494621 is 12649425.

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 52494621 - 2¹ = 52494619 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52494661) 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, 8749101 + ... + 8749106.

It is an arithmetic number, because the mean of its divisors is an integer number (17498208).

Almost surely, 2^52494621 is an apocalyptic number.

It is an amenable number.

52494621 is a deficient number, since it is larger than the sum of its proper divisors (17498211).

52494621 is a wasteful number, since it uses less digits than its factorization.

52494621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17498210.

The product of its digits is 17280, while the sum is 33.

The square root of 52494621 is about 7245.3171773222. The cubic root of 52494621 is about 374.4308307830.

It can be divided in two parts, 5249 and 4621, that added together give a triangular number (9870 = T₁₄₀).

The spelling of 52494621 in words is "fifty-two million, four hundred ninety-four thousand, six hundred twenty-one".