55667954 has 4 divisors (see below), whose sum is σ = 83501934. Its totient is φ = 27833976.

The previous prime is 55667951. The next prime is 55667957. The reversal of 55667954 is 45976655.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (55667951) and next prime (55667957).

It can be written as a sum of positive squares in only one way, i.e., 50027329 + 5640625 = 7073^2 + 2375^2 .

It is a super-2 number, since 2×55667954² = 6197842205092232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55667899 and 55667908.

It is not an unprimeable number, because it can be changed into a prime (55667951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13916987 + ... + 13916990.

Almost surely, 2^55667954 is an apocalyptic number.

55667954 is a deficient number, since it is larger than the sum of its proper divisors (27833980).

55667954 is a wasteful number, since it uses less digits than its factorization.

55667954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27833979.

The product of its digits is 1134000, while the sum is 47.

The square root of 55667954 is about 7461.0960320854. The cubic root of 55667954 is about 381.8285690399.

The spelling of 55667954 in words is "fifty-five million, six hundred sixty-seven thousand, nine hundred fifty-four".