56154747 has 16 divisors (see below), whose sum is σ = 85979520. Its totient is φ = 32241600.

The previous prime is 56154737. The next prime is 56154751. The reversal of 56154747 is 74745165.

It is not a de Polignac number, because 56154747 - 2⁴ = 56154731 is a prime.

It is a super-2 number, since 2×56154747² = 6306711221268018, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56154727) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44154 + ... + 45407.

It is an arithmetic number, because the mean of its divisors is an integer number (5373720).

Almost surely, 2^56154747 is an apocalyptic number.

56154747 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

56154747 is a deficient number, since it is larger than the sum of its proper divisors (29824773).

56154747 is a wasteful number, since it uses less digits than its factorization.

56154747 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89594.

The product of its digits is 117600, while the sum is 39.

The square root of 56154747 is about 7493.6471093854. The cubic root of 56154747 is about 382.9383176394.

The spelling of 56154747 in words is "fifty-six million, one hundred fifty-four thousand, seven hundred forty-seven".