55787294 has 8 divisors (see below), whose sum is σ = 83734680. Its totient is φ = 27875736.

The previous prime is 55787279. The next prime is 55787357. The reversal of 55787294 is 49278755.

It is a happy number.

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

It is a super-2 number, since 2×55787294² = 6224444343684872, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4649 + ... + 11540.

It is an arithmetic number, because the mean of its divisors is an integer number (10466835).

Almost surely, 2^55787294 is an apocalyptic number.

55787294 is a deficient number, since it is larger than the sum of its proper divisors (27947386).

55787294 is a wasteful number, since it uses less digits than its factorization.

55787294 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17914.

The product of its digits is 705600, while the sum is 47.

The square root of 55787294 is about 7469.0892349737. The cubic root of 55787294 is about 382.1012267940.

The spelling of 55787294 in words is "fifty-five million, seven hundred eighty-seven thousand, two hundred ninety-four".