56767650 has 48 divisors (see below), whose sum is σ = 141327264. Its totient is φ = 15079680.

The previous prime is 56767643. The next prime is 56767661. The reversal of 56767650 is 5676765.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49989 + ... + 51111.

It is an arithmetic number, because the mean of its divisors is an integer number (2944318).

Almost surely, 2^56767650 is an apocalyptic number.

56767650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 56767650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70663632).

56767650 is an abundant number, since it is smaller than the sum of its proper divisors (84559614).

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

56767650 is a wasteful number, since it uses less digits than its factorization.

56767650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1475 (or 1470 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The square root of 56767650 is about 7534.4309672330. The cubic root of 56767650 is about 384.3264774495.

The spelling of 56767650 in words is "fifty-six million, seven hundred sixty-seven thousand, six hundred fifty".