55679974 has 12 divisors (see below), whose sum is σ = 97156044. Its totient is φ = 23862804.

The previous prime is 55679957. The next prime is 55679977. The reversal of 55679974 is 47997655.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55679977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 283984 + ... + 284179.

It is an arithmetic number, because the mean of its divisors is an integer number (8096337).

Almost surely, 2^55679974 is an apocalyptic number.

55679974 is a deficient number, since it is larger than the sum of its proper divisors (41476070).

55679974 is a wasteful number, since it uses less digits than its factorization.

55679974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568179 (or 568172 counting only the distinct ones).

The product of its digits is 2381400, while the sum is 52.

The square root of 55679974 is about 7461.9015002880. The cubic root of 55679974 is about 381.8560489380.

The spelling of 55679974 in words is "fifty-five million, six hundred seventy-nine thousand, nine hundred seventy-four".