56723492 has 48 divisors (see below), whose sum is σ = 120839040. Its totient is φ = 22743552.

The previous prime is 56723477. The next prime is 56723539. The reversal of 56723492 is 29432765.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127823 + ... + 128265.

It is an arithmetic number, because the mean of its divisors is an integer number (2517480).

Almost surely, 2^56723492 is an apocalyptic number.

It is a pronic number, being equal to 7531×7532.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56723492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60419520).

56723492 is an abundant number, since it is smaller than the sum of its proper divisors (64115548).

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

56723492 is a wasteful number, since it uses less digits than its factorization.

56723492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740 (or 738 counting only the distinct ones).

The product of its digits is 90720, while the sum is 38.

The square root of 56723492 is about 7531.4999834030. The cubic root of 56723492 is about 384.2267992528.

The spelling of 56723492 in words is "fifty-six million, seven hundred twenty-three thousand, four hundred ninety-two".