55361438 has 8 divisors (see below), whose sum is σ = 90591480. Its totient is φ = 25164280.

The previous prime is 55361417. The next prime is 55361477. The reversal of 55361438 is 83416355.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55361398 and 55361407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1258193 + ... + 1258236.

It is an arithmetic number, because the mean of its divisors is an integer number (11323935).

Almost surely, 2^55361438 is an apocalyptic number.

55361438 is a deficient number, since it is larger than the sum of its proper divisors (35230042).

55361438 is a wasteful number, since it uses less digits than its factorization.

55361438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516442.

The product of its digits is 43200, while the sum is 35.

The square root of 55361438 is about 7440.5267286665. The cubic root of 55361438 is about 381.1264772998.

The spelling of 55361438 in words is "fifty-five million, three hundred sixty-one thousand, four hundred thirty-eight".