56694144 has 128 divisors (see below), whose sum is σ = 166733280. Its totient is φ = 16957440.

The previous prime is 56694137. The next prime is 56694151. The reversal of 56694144 is 44149665.

It is an interprime number because it is at equal distance from previous prime (56694137) and next prime (56694151).

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

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, 204534 + ... + 204810.

Almost surely, 2^56694144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56694144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83366640).

56694144 is an abundant number, since it is smaller than the sum of its proper divisors (110039136).

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

56694144 is a wasteful number, since it uses less digits than its factorization.

56694144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 336 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 56694144 is about 7529.5513810585. The cubic root of 56694144 is about 384.1605231651.

The spelling of 56694144 in words is "fifty-six million, six hundred ninety-four thousand, one hundred forty-four".