54640612 has 12 divisors (see below), whose sum is σ = 102976636. Its totient is φ = 25218720.

The previous prime is 54640609. The next prime is 54640613. The reversal of 54640612 is 21604645.

It can be written as a sum of positive squares in 2 ways, for example, as 9696996 + 44943616 = 3114^2 + 6704^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (54640613) 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, 525339 + ... + 525442.

Almost surely, 2^54640612 is an apocalyptic number.

54640612 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

54640612 is a deficient number, since it is larger than the sum of its proper divisors (48336024).

54640612 is a wasteful number, since it uses less digits than its factorization.

54640612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050798 (or 1050796 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 54640612 is about 7391.9288416488. The cubic root of 54640612 is about 379.4651107841.

The spelling of 54640612 in words is "fifty-four million, six hundred forty thousand, six hundred twelve".