54102719 has 16 divisors (see below), whose sum is σ = 63037440. Its totient is φ = 45948000.

The previous prime is 54102703. The next prime is 54102749. The reversal of 54102719 is 91720145.

It is a cyclic number.

It is not a de Polignac number, because 54102719 - 2⁴ = 54102703 is a prime.

It is a super-2 number, since 2×54102719² = 5854208406385922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54102691 and 54102700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54102749) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7154 + ... + 12624.

It is an arithmetic number, because the mean of its divisors is an integer number (3939840).

Almost surely, 2^54102719 is an apocalyptic number.

54102719 is a deficient number, since it is larger than the sum of its proper divisors (8934721).

54102719 is a wasteful number, since it uses less digits than its factorization.

54102719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5542.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 54102719 is about 7355.4550505050. The cubic root of 54102719 is about 378.2158258152.

The spelling of 54102719 in words is "fifty-four million, one hundred two thousand, seven hundred nineteen".