55464446 has 4 divisors (see below), whose sum is σ = 83196672. Its totient is φ = 27732222.

The previous prime is 55464427. The next prime is 55464457. The reversal of 55464446 is 64446455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64446455 = 5 ⋅12889291.

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, 13866110 + ... + 13866113.

It is an arithmetic number, because the mean of its divisors is an integer number (20799168).

Almost surely, 2^55464446 is an apocalyptic number.

55464446 is a deficient number, since it is larger than the sum of its proper divisors (27732226).

55464446 is a wasteful number, since it uses less digits than its factorization.

55464446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27732225.

The product of its digits is 230400, while the sum is 38.

The square root of 55464446 is about 7447.4456023525. The cubic root of 55464446 is about 381.3627112421.

Subtracting 55464446 from its reverse (64446455), we obtain a square (8982009 = 2997²).

The spelling of 55464446 in words is "fifty-five million, four hundred sixty-four thousand, four hundred forty-six".