55979674 has 8 divisors (see below), whose sum is σ = 88908948. Its totient is φ = 26343360.

The previous prime is 55979647. The next prime is 55979683. The reversal of 55979674 is 47697955.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47817225 + 8162449 = 6915^2 + 2857^2 .

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

It is a super-2 number, since 2×55979674² = 6267447802292552, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 823197 + ... + 823264.

Almost surely, 2^55979674 is an apocalyptic number.

55979674 is a deficient number, since it is larger than the sum of its proper divisors (32929274).

55979674 is a wasteful number, since it uses less digits than its factorization.

55979674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1646480.

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

The square root of 55979674 is about 7481.9565622904. The cubic root of 55979674 is about 382.5399425730.

The spelling of 55979674 in words is "fifty-five million, nine hundred seventy-nine thousand, six hundred seventy-four".