55505662 has 4 divisors (see below), whose sum is σ = 83258496. Its totient is φ = 27752830.

The previous prime is 55505657. The next prime is 55505683. The reversal of 55505662 is 26650555.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 26650555 = 5 ⋅5330111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13876414 + ... + 13876417.

It is an arithmetic number, because the mean of its divisors is an integer number (20814624).

Almost surely, 2^55505662 is an apocalyptic number.

55505662 is a deficient number, since it is larger than the sum of its proper divisors (27752834).

55505662 is a wasteful number, since it uses less digits than its factorization.

55505662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27752833.

The product of its (nonzero) digits is 45000, while the sum is 34.

The square root of 55505662 is about 7450.2122117427. The cubic root of 55505662 is about 381.4571522447.

The spelling of 55505662 in words is "fifty-five million, five hundred five thousand, six hundred sixty-two".