54349961 has 2 divisors, whose sum is σ = 54349962. Its totient is φ = 54349960.

The previous prime is 54349957. The next prime is 54349987. The reversal of 54349961 is 16994345.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42823936 + 11526025 = 6544^2 + 3395^2 .

It is a cyclic number.

It is not a de Polignac number, because 54349961 - 2² = 54349957 is a prime.

It is not a weakly prime, because it can be changed into another prime (54349661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27174980 + 27174981.

It is an arithmetic number, because the mean of its divisors is an integer number (27174981).

Almost surely, 2^54349961 is an apocalyptic number.

It is an amenable number.

54349961 is a deficient number, since it is larger than the sum of its proper divisors (1).

54349961 is an equidigital number, since it uses as much as digits as its factorization.

54349961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 41.

The square root of 54349961 is about 7372.2426031704. The cubic root of 54349961 is about 378.7910818934.

The spelling of 54349961 in words is "fifty-four million, three hundred forty-nine thousand, nine hundred sixty-one".