54660646 has 8 divisors (see below), whose sum is σ = 82979064. Its totient is φ = 27000960.

The previous prime is 54660643. The next prime is 54660659. The reversal of 54660646 is 64606645.

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

It is a super-2 number, since 2×54660646² = 5975572442274632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54660643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 164475 + ... + 164806.

It is an arithmetic number, because the mean of its divisors is an integer number (10372383).

Almost surely, 2^54660646 is an apocalyptic number.

54660646 is a deficient number, since it is larger than the sum of its proper divisors (28318418).

54660646 is a wasteful number, since it uses less digits than its factorization.

54660646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329366.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 54660646 is about 7393.2838441385. The cubic root of 54660646 is about 379.5114821235.

The spelling of 54660646 in words is "fifty-four million, six hundred sixty thousand, six hundred forty-six".