56244381 has 8 divisors (see below), whose sum is σ = 79403904. Its totient is φ = 35290560.

The previous prime is 56244373. The next prime is 56244401. The reversal of 56244381 is 18344265.

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

It is not a de Polignac number, because 56244381 - 2³ = 56244373 is a prime.

It is a super-2 number, since 2×56244381² = 6326860788146322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56244481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551365 + ... + 551466.

It is an arithmetic number, because the mean of its divisors is an integer number (9925488).

Almost surely, 2^56244381 is an apocalyptic number.

56244381 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

56244381 is a deficient number, since it is larger than the sum of its proper divisors (23159523).

56244381 is a wasteful number, since it uses less digits than its factorization.

56244381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1102851.

The product of its digits is 23040, while the sum is 33.

The square root of 56244381 is about 7499.6253906445. The cubic root of 56244381 is about 383.1419575713.

The spelling of 56244381 in words is "fifty-six million, two hundred forty-four thousand, three hundred eighty-one".