54102949 has 4 divisors (see below), whose sum is σ = 54117664. Its totient is φ = 54088236.

The previous prime is 54102947. The next prime is 54102977. The reversal of 54102949 is 94920145.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94920145 = 5 ⋅18984029.

It is a cyclic number.

It is not a de Polignac number, because 54102949 - 2¹ = 54102947 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 (54102947) 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, 3454 + ... + 10960.

It is an arithmetic number, because the mean of its divisors is an integer number (13529416).

Almost surely, 2^54102949 is an apocalyptic number.

It is an amenable number.

54102949 is a deficient number, since it is larger than the sum of its proper divisors (14715).

54102949 is an equidigital number, since it uses as much as digits as its factorization.

54102949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14714.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 54102949 is about 7355.4706851431. The cubic root of 54102949 is about 378.2163617680.

The spelling of 54102949 in words is "fifty-four million, one hundred two thousand, nine hundred forty-nine".