55707894 has 24 divisors (see below), whose sum is σ = 131673672. Its totient is φ = 16881120.

The previous prime is 55707893. The next prime is 55707901. The reversal of 55707894 is 49870755.

55707894 is a `hidden beast` number, since 5 + 570 + 78 + 9 + 4 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55707893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 140479 + ... + 140874.

It is an arithmetic number, because the mean of its divisors is an integer number (5486403).

Almost surely, 2^55707894 is an apocalyptic number.

55707894 is an abundant number, since it is smaller than the sum of its proper divisors (75965778).

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

55707894 is a wasteful number, since it uses less digits than its factorization.

55707894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281372 (or 281369 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The square root of 55707894 is about 7463.7721026301. The cubic root of 55707894 is about 381.9198638587.

The spelling of 55707894 in words is "fifty-five million, seven hundred seven thousand, eight hundred ninety-four".