55679436 has 36 divisors (see below), whose sum is σ = 142679992. Its totient is φ = 18304704.

The previous prime is 55679423. The next prime is 55679461. The reversal of 55679436 is 63497655.

55679436 is a `hidden beast` number, since 556 + 7 + 94 + 3 + 6 = 666.

55679436 is digitally balanced in base 2 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-4 number, since 4×55679436⁴ (a number of 32 digits) contains 4444 as substring.

55679436 is strictly pandigital in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 55679391 and 55679400.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7966 + ... + 13221.

Almost surely, 2^55679436 is an apocalyptic number.

It is an amenable number.

55679436 is an abundant number, since it is smaller than the sum of its proper divisors (87000556).

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

55679436 is a wasteful number, since it uses less digits than its factorization.

55679436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21270 (or 21265 counting only the distinct ones).

The product of its digits is 680400, while the sum is 45.

The square root of 55679436 is about 7461.8654504085. The cubic root of 55679436 is about 381.8548190570.

The spelling of 55679436 in words is "fifty-five million, six hundred seventy-nine thousand, four hundred thirty-six".