56509525078 has 8 divisors (see below), whose sum is σ = 84982191840. Its totient is φ = 28182127800.

The previous prime is 56509525067. The next prime is 56509525091. The reversal of 56509525078 is 87052590565.

56509525078 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×56509525078² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36316398 + ... + 36317953.

It is an arithmetic number, because the mean of its divisors is an integer number (10622773980).

Almost surely, 2^56509525078 is an apocalyptic number.

56509525078 is a deficient number, since it is larger than the sum of its proper divisors (28472666762).

56509525078 is a wasteful number, since it uses less digits than its factorization.

56509525078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72634742.

The product of its (nonzero) digits is 3780000, while the sum is 52.

The spelling of 56509525078 in words is "fifty-six billion, five hundred nine million, five hundred twenty-five thousand, seventy-eight".