54051965 has 16 divisors (see below), whose sum is σ = 71962560. Its totient is φ = 38641920.

The previous prime is 54051961. The next prime is 54051971. The reversal of 54051965 is 56915045.

It is not a de Polignac number, because 54051965 - 2² = 54051961 is a prime.

It is a super-2 number, since 2×54051965² = 5843229840722450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54051961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5084 + ... + 11573.

It is an arithmetic number, because the mean of its divisors is an integer number (4497660).

Almost surely, 2^54051965 is an apocalyptic number.

54051965 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54051965 is a deficient number, since it is larger than the sum of its proper divisors (17910595).

54051965 is a wasteful number, since it uses less digits than its factorization.

54051965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16732.

The product of its (nonzero) digits is 27000, while the sum is 35.

The square root of 54051965 is about 7352.0041485298. The cubic root of 54051965 is about 378.0975201668.

The spelling of 54051965 in words is "fifty-four million, fifty-one thousand, nine hundred sixty-five".