55782046 has 4 divisors (see below), whose sum is σ = 83673072. Its totient is φ = 27891022.

The previous prime is 55782029. The next prime is 55782053. The reversal of 55782046 is 64028755.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×55782046² = 6223273311892232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55781996 and 55782014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13945510 + ... + 13945513.

It is an arithmetic number, because the mean of its divisors is an integer number (20918268).

Almost surely, 2^55782046 is an apocalyptic number.

55782046 is a deficient number, since it is larger than the sum of its proper divisors (27891026).

55782046 is a wasteful number, since it uses less digits than its factorization.

55782046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27891025.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 55782046 is about 7468.7379121241. The cubic root of 55782046 is about 382.0892447937.

The spelling of 55782046 in words is "fifty-five million, seven hundred eighty-two thousand, forty-six".