54995503 has 12 divisors (see below), whose sum is σ = 57102408. Its totient is φ = 52944320.

The previous prime is 54995497. The next prime is 54995509. The reversal of 54995503 is 30559945.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54995497) and next prime (54995509).

It is a de Polignac number, because none of the positive numbers 2^k-54995503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54995509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 419748 + ... + 419878.

It is an arithmetic number, because the mean of its divisors is an integer number (4758534).

Almost surely, 2^54995503 is an apocalyptic number.

54995503 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

54995503 is a deficient number, since it is larger than the sum of its proper divisors (2106905).

54995503 is an equidigital number, since it uses as much as digits as its factorization.

54995503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362 (or 273 counting only the distinct ones).

The product of its (nonzero) digits is 121500, while the sum is 40.

The square root of 54995503 is about 7415.8952932198. The cubic root of 54995503 is about 380.2848810196.

The spelling of 54995503 in words is "fifty-four million, nine hundred ninety-five thousand, five hundred three".