54190513 has 4 divisors (see below), whose sum is σ = 58359028. Its totient is φ = 50022000.

The previous prime is 54190481. The next prime is 54190523. The reversal of 54190513 is 31509145.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31509145 = 5 ⋅6301829.

It can be written as a sum of positive squares in 2 ways, for example, as 9941409 + 44249104 = 3153^2 + 6652^2 .

It is a cyclic number.

It is not a de Polignac number, because 54190513 - 2⁵ = 54190481 is a prime.

It is a super-2 number, since 2×54190513² = 5873223398406338, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54190523) 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, 2084238 + ... + 2084263.

It is an arithmetic number, because the mean of its divisors is an integer number (14589757).

Almost surely, 2^54190513 is an apocalyptic number.

It is an amenable number.

54190513 is a deficient number, since it is larger than the sum of its proper divisors (4168515).

54190513 is a wasteful number, since it uses less digits than its factorization.

54190513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4168514.

The product of its (nonzero) digits is 2700, while the sum is 28.

The square root of 54190513 is about 7361.4205830125. The cubic root of 54190513 is about 378.4202957326.

Adding to 54190513 its reverse (31509145), we get a palindrome (85699658).

The spelling of 54190513 in words is "fifty-four million, one hundred ninety thousand, five hundred thirteen".