55433486 has 4 divisors (see below), whose sum is σ = 83150232. Its totient is φ = 27716742.

The previous prime is 55433461. The next prime is 55433503. The reversal of 55433486 is 68433455.

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

It is a super-2 number, since 2×55433486² = 6145742740224392, 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 as a sum of consecutive naturals, namely, 13858370 + ... + 13858373.

It is an arithmetic number, because the mean of its divisors is an integer number (20787558).

Almost surely, 2^55433486 is an apocalyptic number.

55433486 is a deficient number, since it is larger than the sum of its proper divisors (27716746).

55433486 is a wasteful number, since it uses less digits than its factorization.

55433486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27716745.

The product of its digits is 172800, while the sum is 38.

The square root of 55433486 is about 7445.3667471791. The cubic root of 55433486 is about 381.2917397282.

The spelling of 55433486 in words is "fifty-five million, four hundred thirty-three thousand, four hundred eighty-six".