54477121 has 2 divisors, whose sum is σ = 54477122. Its totient is φ = 54477120.

The previous prime is 54477103. The next prime is 54477139. The reversal of 54477121 is 12177445.

It is a balanced prime because it is at equal distance from previous prime (54477103) and next prime (54477139).

It can be written as a sum of positive squares in only one way, i.e., 44742721 + 9734400 = 6689^2 + 3120^2 .

It is a cyclic number.

It is not a de Polignac number, because 54477121 - 2¹³ = 54468929 is a prime.

It is equal to p_3252865 and since 54477121 and 3252865 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (54477221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27238560 + 27238561.

It is an arithmetic number, because the mean of its divisors is an integer number (27238561).

Almost surely, 2^54477121 is an apocalyptic number.

It is an amenable number.

54477121 is a deficient number, since it is larger than the sum of its proper divisors (1).

54477121 is an equidigital number, since it uses as much as digits as its factorization.

54477121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7840, while the sum is 31.

The square root of 54477121 is about 7380.8618060495. The cubic root of 54477121 is about 379.0862649202.

The spelling of 54477121 in words is "fifty-four million, four hundred seventy-seven thousand, one hundred twenty-one".