59478521 has 4 divisors (see below), whose sum is σ = 59606352. Its totient is φ = 59350692.

The previous prime is 59478511. The next prime is 59478527. The reversal of 59478521 is 12587495.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12587495 = 5 ⋅2517499.

It is a cyclic number.

It is not a de Polignac number, because 59478521 - 2⁶ = 59478457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (59478527) 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, 63215 + ... + 64148.

It is an arithmetic number, because the mean of its divisors is an integer number (14901588).

Almost surely, 2^59478521 is an apocalyptic number.

It is an amenable number.

59478521 is a deficient number, since it is larger than the sum of its proper divisors (127831).

59478521 is a wasteful number, since it uses less digits than its factorization.

59478521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127830.

The product of its digits is 100800, while the sum is 41.

The square root of 59478521 is about 7712.2319078202. The cubic root of 59478521 is about 390.3492838447.

The spelling of 59478521 in words is "fifty-nine million, four hundred seventy-eight thousand, five hundred twenty-one".