54870505 has 8 divisors (see below), whose sum is σ = 67450824. Its totient is φ = 42825600.

The previous prime is 54870493. The next prime is 54870511. The reversal of 54870505 is 50507845.

It can be written as a sum of positive squares in 4 ways, for example, as 5125696 + 49744809 = 2264^2 + 7053^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54870505 - 2²¹ = 52773353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133626 + ... + 134035.

It is an arithmetic number, because the mean of its divisors is an integer number (8431353).

Almost surely, 2^54870505 is an apocalyptic number.

It is an amenable number.

54870505 is a deficient number, since it is larger than the sum of its proper divisors (12580319).

54870505 is a wasteful number, since it uses less digits than its factorization.

54870505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267707.

The product of its (nonzero) digits is 28000, while the sum is 34.

The square root of 54870505 is about 7407.4627909967. The cubic root of 54870505 is about 379.9965489068.

The spelling of 54870505 in words is "fifty-four million, eight hundred seventy thousand, five hundred five".