55287746 has 8 divisors (see below), whose sum is σ = 85791420. Its totient is φ = 26690608.

The previous prime is 55287737. The next prime is 55287761. The reversal of 55287746 is 64778255.

It can be written as a sum of positive squares in 2 ways, for example, as 53217025 + 2070721 = 7295^2 + 1439^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 55287697 and 55287706.

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, 476561 + ... + 476676.

Almost surely, 2^55287746 is an apocalyptic number.

55287746 is a deficient number, since it is larger than the sum of its proper divisors (30503674).

55287746 is a wasteful number, since it uses less digits than its factorization.

55287746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953268.

The product of its digits is 470400, while the sum is 44.

The square root of 55287746 is about 7435.5730108715. The cubic root of 55287746 is about 380.9572954986.

The spelling of 55287746 in words is "fifty-five million, two hundred eighty-seven thousand, seven hundred forty-six".