55494382 has 4 divisors (see below), whose sum is σ = 83241576. Its totient is φ = 27747190.

The previous prime is 55494359. The next prime is 55494391. The reversal of 55494382 is 28349455.

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

It is a super-3 number, since 3×55494382³ (a number of 24 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 13873594 + ... + 13873597.

It is an arithmetic number, because the mean of its divisors is an integer number (20810394).

Almost surely, 2^55494382 is an apocalyptic number.

55494382 is a deficient number, since it is larger than the sum of its proper divisors (27747194).

55494382 is a wasteful number, since it uses less digits than its factorization.

55494382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27747193.

The product of its digits is 172800, while the sum is 40.

The square root of 55494382 is about 7449.4551478615. The cubic root of 55494382 is about 381.4313102673.

It can be divided in two parts, 554943 and 82, that added together give a square (555025 = 745²).

The spelling of 55494382 in words is "fifty-five million, four hundred ninety-four thousand, three hundred eighty-two".