55561467 has 16 divisors (see below), whose sum is σ = 79944480. Its totient is φ = 34121472.

The previous prime is 55561463. The next prime is 55561469. The reversal of 55561467 is 76416555.

It is not a de Polignac number, because 55561467 - 2² = 55561463 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (55561463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22909 + ... + 25217.

It is an arithmetic number, because the mean of its divisors is an integer number (4996530).

Almost surely, 2^55561467 is an apocalyptic number.

55561467 is a deficient number, since it is larger than the sum of its proper divisors (24383013).

55561467 is a wasteful number, since it uses less digits than its factorization.

55561467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its digits is 126000, while the sum is 39.

The square root of 55561467 is about 7453.9564661997. The cubic root of 55561467 is about 381.5849475337.

The spelling of 55561467 in words is "fifty-five million, five hundred sixty-one thousand, four hundred sixty-seven".