56506510 has 8 divisors (see below), whose sum is σ = 101711736. Its totient is φ = 22602600.

The previous prime is 56506507. The next prime is 56506559. The reversal of 56506510 is 1560565.

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

It is a super-3 number, since 3×56506510³ (a number of 24 digits) contains 333 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, 2825316 + ... + 2825335.

It is an arithmetic number, because the mean of its divisors is an integer number (12713967).

Almost surely, 2^56506510 is an apocalyptic number.

56506510 is a deficient number, since it is larger than the sum of its proper divisors (45205226).

56506510 is a wasteful number, since it uses less digits than its factorization.

56506510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650658.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 56506510 is about 7517.0812154719. The cubic root of 56506510 is about 383.7362509973.

The spelling of 56506510 in words is "fifty-six million, five hundred six thousand, five hundred ten".