55257662 has 8 divisors (see below), whose sum is σ = 87249000. Its totient is φ = 26174664.

The previous prime is 55257611. The next prime is 55257677. The reversal of 55257662 is 26675255.

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

It is a Harshad number since it is a multiple of its sum of digits (38), and also a Moran number because the ratio is a prime number: 1454149 = 55257662 / (5 + 5 + 2 + 5 + 7 + 6 + 6 + 2).

It is a congruent number.

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, 727037 + ... + 727112.

It is an arithmetic number, because the mean of its divisors is an integer number (10906125).

Almost surely, 2^55257662 is an apocalyptic number.

55257662 is a deficient number, since it is larger than the sum of its proper divisors (31991338).

55257662 is a wasteful number, since it uses less digits than its factorization.

55257662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1454170.

The product of its digits is 126000, while the sum is 38.

The square root of 55257662 is about 7433.5497576864. The cubic root of 55257662 is about 380.8881855574. Note that the first 3 decimals are identical.

The spelling of 55257662 in words is "fifty-five million, two hundred fifty-seven thousand, six hundred sixty-two".