54152731 has 2 divisors, whose sum is σ = 54152732. Its totient is φ = 54152730.

The previous prime is 54152723. The next prime is 54152743. The reversal of 54152731 is 13725145.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 54152731 - 2³ = 54152723 is a prime.

It is a super-2 number, since 2×54152731² = 5865036549516722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54152731.

It is not a weakly prime, because it can be changed into another prime (54153731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27076365 + 27076366.

It is an arithmetic number, because the mean of its divisors is an integer number (27076366).

Almost surely, 2^54152731 is an apocalyptic number.

54152731 is a deficient number, since it is larger than the sum of its proper divisors (1).

54152731 is an equidigital number, since it uses as much as digits as its factorization.

54152731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4200, while the sum is 28.

The square root of 54152731 is about 7358.8539189197. The cubic root of 54152731 is about 378.3323295378.

Adding to 54152731 its reverse (13725145), we get a palindrome (67877876).

The spelling of 54152731 in words is "fifty-four million, one hundred fifty-two thousand, seven hundred thirty-one".