54978201 has 6 divisors (see below), whose sum is σ = 79412970. Its totient is φ = 36652128.

The previous prime is 54978199. The next prime is 54978241. The reversal of 54978201 is 10287945.

It can be written as a sum of positive squares in only one way, i.e., 47817225 + 7160976 = 6915^2 + 2676^2 .

It is not a de Polignac number, because 54978201 - 2¹ = 54978199 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (54978241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3054336 + ... + 3054353.

It is an arithmetic number, because the mean of its divisors is an integer number (13235495).

Almost surely, 2^54978201 is an apocalyptic number.

It is an amenable number.

54978201 is a deficient number, since it is larger than the sum of its proper divisors (24434769).

54978201 is a wasteful number, since it uses less digits than its factorization.

54978201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6108695 (or 6108692 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 54978201 is about 7414.7286531605. The cubic root of 54978201 is about 380.2449966728.

The spelling of 54978201 in words is "fifty-four million, nine hundred seventy-eight thousand, two hundred one".