55361976 has 32 divisors (see below), whose sum is σ = 138672000. Its totient is φ = 18418400.

The previous prime is 55361909. The next prime is 55361983. The reversal of 55361976 is 67916355.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12451 + ... + 16301.

It is an arithmetic number, because the mean of its divisors is an integer number (4333500).

Almost surely, 2^55361976 is an apocalyptic number.

It is an amenable number.

55361976 is an abundant number, since it is smaller than the sum of its proper divisors (83310024).

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

55361976 is a wasteful number, since it uses less digits than its factorization.

55361976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4459 (or 4455 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 55361976 is about 7440.5628819331. The cubic root of 55361976 is about 381.1277118859.

The spelling of 55361976 in words is "fifty-five million, three hundred sixty-one thousand, nine hundred seventy-six".