54440650 has 72 divisors (see below), whose sum is σ = 115251552. Its totient is φ = 18972000.

The previous prime is 54440611. The next prime is 54440651. The reversal of 54440650 is 5604445.

54440650 = 138² + 139² + ... + 549².

It is not an unprimeable number, because it can be changed into a prime (54440651) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 528499 + ... + 528601.

It is an arithmetic number, because the mean of its divisors is an integer number (1600716).

Almost surely, 2^54440650 is an apocalyptic number.

54440650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

54440650 is an abundant number, since it is smaller than the sum of its proper divisors (60810902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54440650 is a wasteful number, since it uses less digits than its factorization.

54440650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 54440650 is about 7378.3907459554. The cubic root of 54440650 is about 379.0016499396.

The spelling of 54440650 in words is "fifty-four million, four hundred forty thousand, six hundred fifty".