54970513 has 4 divisors (see below), whose sum is σ = 59199028. Its totient is φ = 50742000.

The previous prime is 54970481. The next prime is 54970523. The reversal of 54970513 is 31507945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 36204289 + 18766224 = 6017^2 + 4332^2 .

It is a cyclic number.

It is not a de Polignac number, because 54970513 - 2⁵ = 54970481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54970523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2114238 + ... + 2114263.

It is an arithmetic number, because the mean of its divisors is an integer number (14799757).

Almost surely, 2^54970513 is an apocalyptic number.

It is an amenable number.

54970513 is a deficient number, since it is larger than the sum of its proper divisors (4228515).

54970513 is a wasteful number, since it uses less digits than its factorization.

54970513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4228514.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 54970513 is about 7414.2102074328. The cubic root of 54970513 is about 380.2272717094.

The spelling of 54970513 in words is "fifty-four million, nine hundred seventy thousand, five hundred thirteen".