56544510 has 96 divisors (see below), whose sum is σ = 153560736. Its totient is φ = 13305600.

The previous prime is 56544503. The next prime is 56544539. The reversal of 56544510 is 1544565.

It is a super-2 number, since 2×56544510² = 6394563222280200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 134100 + ... + 134520.

It is an arithmetic number, because the mean of its divisors is an integer number (1599591).

Almost surely, 2^56544510 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56544510, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76780368).

56544510 is an abundant number, since it is smaller than the sum of its proper divisors (97016226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56544510 is a wasteful number, since it uses less digits than its factorization.

56544510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490 (or 479 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 56544510 is about 7519.6083674617. The cubic root of 56544510 is about 383.8222511768.

Subtracting from 56544510 its reverse (1544565), we obtain a palindrome (54999945).

The spelling of 56544510 in words is "fifty-six million, five hundred forty-four thousand, five hundred ten".