54195131 has 2 divisors, whose sum is σ = 54195132. Its totient is φ = 54195130.

The previous prime is 54195109. The next prime is 54195137. The reversal of 54195131 is 13159145.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54195131 is a prime.

It is a super-2 number, since 2×54195131² = 5874224448214322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 54195094 and 54195103.

It is not a weakly prime, because it can be changed into another prime (54195137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27097565 + 27097566.

It is an arithmetic number, because the mean of its divisors is an integer number (27097566).

Almost surely, 2^54195131 is an apocalyptic number.

54195131 is a deficient number, since it is larger than the sum of its proper divisors (1).

54195131 is an equidigital number, since it uses as much as digits as its factorization.

54195131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2700, while the sum is 29.

The square root of 54195131 is about 7361.7342386152. The cubic root of 54195131 is about 378.4310448175.

The spelling of 54195131 in words is "fifty-four million, one hundred ninety-five thousand, one hundred thirty-one".