54870519 has 16 divisors (see below), whose sum is σ = 81970560. Its totient is φ = 32355360.

The previous prime is 54870511. The next prime is 54870533. The reversal of 54870519 is 91507845.

It is not a de Polignac number, because 54870519 - 2³ = 54870511 is a prime.

It is a super-2 number, since 2×54870519² = 6021547710658722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54870511) 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, 21249 + ... + 23690.

It is an arithmetic number, because the mean of its divisors is an integer number (5123160).

Almost surely, 2^54870519 is an apocalyptic number.

54870519 is a deficient number, since it is larger than the sum of its proper divisors (27100041).

54870519 is a wasteful number, since it uses less digits than its factorization.

54870519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44990.

The product of its (nonzero) digits is 50400, while the sum is 39.

The square root of 54870519 is about 7407.4637359895. The cubic root of 54870519 is about 379.9965812250.

The spelling of 54870519 in words is "fifty-four million, eight hundred seventy thousand, five hundred nineteen".