55467138 has 8 divisors (see below), whose sum is σ = 110934288. Its totient is φ = 18489044.

The previous prime is 55467133. The next prime is 55467163. The reversal of 55467138 is 83176455.

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

55467138 is an admirable number.

It is a super-2 number, since 2×55467138² = 6153206795822088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55467096 and 55467105.

It is not an unprimeable number, because it can be changed into a prime (55467133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4622256 + ... + 4622267.

It is an arithmetic number, because the mean of its divisors is an integer number (13866786).

Almost surely, 2^55467138 is an apocalyptic number.

55467138 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55467138 is a wasteful number, since it uses less digits than its factorization.

55467138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9244528.

The product of its digits is 100800, while the sum is 39.

The square root of 55467138 is about 7447.6263332689. The cubic root of 55467138 is about 381.3688810312.

The spelling of 55467138 in words is "fifty-five million, four hundred sixty-seven thousand, one hundred thirty-eight".