54157951 has 2 divisors, whose sum is σ = 54157952. Its totient is φ = 54157950.

The previous prime is 54157921. The next prime is 54157979. The reversal of 54157951 is 15975145.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 54157951 - 2¹⁹ = 53633663 is a prime.

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 54157951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54157921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27078975 + 27078976.

It is an arithmetic number, because the mean of its divisors is an integer number (27078976).

Almost surely, 2^54157951 is an apocalyptic number.

54157951 is a deficient number, since it is larger than the sum of its proper divisors (1).

54157951 is an equidigital number, since it uses as much as digits as its factorization.

54157951 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31500, while the sum is 37.

The square root of 54157951 is about 7359.2085851673. The cubic root of 54157951 is about 378.3444854732.

It can be divided in two parts, 5415 and 7951, that added together give a triangular number (13366 = T₁₆₃).

The spelling of 54157951 in words is "fifty-four million, one hundred fifty-seven thousand, nine hundred fifty-one".