55966546 has 4 divisors (see below), whose sum is σ = 83949822. Its totient is φ = 27983272.

The previous prime is 55966529. The next prime is 55966553. The reversal of 55966546 is 64566955.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 54184321 + 1782225 = 7361^2 + 1335^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55966496 and 55966505.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13991635 + ... + 13991638.

Almost surely, 2^55966546 is an apocalyptic number.

55966546 is a deficient number, since it is larger than the sum of its proper divisors (27983276).

55966546 is a wasteful number, since it uses less digits than its factorization.

55966546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27983275.

The product of its digits is 972000, while the sum is 46.

The square root of 55966546 is about 7481.0792002224. The cubic root of 55966546 is about 382.5100366170.

The spelling of 55966546 in words is "fifty-five million, nine hundred sixty-six thousand, five hundred forty-six".