54631553 has 2 divisors, whose sum is σ = 54631554. Its totient is φ = 54631552.

The previous prime is 54631537. The next prime is 54631559. The reversal of 54631553 is 35513645.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45589504 + 9042049 = 6752^2 + 3007^2 .

It is a cyclic number.

It is not a de Polignac number, because 54631553 - 2⁴ = 54631537 is a prime.

It is not a weakly prime, because it can be changed into another prime (54631559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27315776 + 27315777.

It is an arithmetic number, because the mean of its divisors is an integer number (27315777).

Almost surely, 2^54631553 is an apocalyptic number.

It is an amenable number.

54631553 is a deficient number, since it is larger than the sum of its proper divisors (1).

54631553 is an equidigital number, since it uses as much as digits as its factorization.

54631553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 32.

The square root of 54631553 is about 7391.3160533155. The cubic root of 54631553 is about 379.4441388104. Note that the first 3 decimals are identical.

The spelling of 54631553 in words is "fifty-four million, six hundred thirty-one thousand, five hundred fifty-three".