56457526 has 4 divisors (see below), whose sum is σ = 84686292. Its totient is φ = 28228762.

The previous prime is 56457517. The next prime is 56457539. The reversal of 56457526 is 62575465.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62575465 = 5 ⋅12515093.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14114380 + ... + 14114383.

It is an arithmetic number, because the mean of its divisors is an integer number (21171573).

Almost surely, 2^56457526 is an apocalyptic number.

56457526 is a deficient number, since it is larger than the sum of its proper divisors (28228766).

56457526 is a wasteful number, since it uses less digits than its factorization.

56457526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28228765.

The product of its digits is 252000, while the sum is 40.

The square root of 56457526 is about 7513.8223295471. The cubic root of 56457526 is about 383.6253353366.

The spelling of 56457526 in words is "fifty-six million, four hundred fifty-seven thousand, five hundred twenty-six".