54631577 has 16 divisors (see below), whose sum is σ = 73352832. Its totient is φ = 39294720.

The previous prime is 54631561. The next prime is 54631597. The reversal of 54631577 is 77513645.

It is a cyclic number.

It is not a de Polignac number, because 54631577 - 2⁴ = 54631561 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 54631577.

It is not an unprimeable number, because it can be changed into a prime (54631537) 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, 26288 + ... + 28289.

It is an arithmetic number, because the mean of its divisors is an integer number (4584552).

Almost surely, 2^54631577 is an apocalyptic number.

It is an amenable number.

54631577 is a deficient number, since it is larger than the sum of its proper divisors (18721255).

54631577 is a wasteful number, since it uses less digits than its factorization.

54631577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54608.

The product of its digits is 88200, while the sum is 38.

The square root of 54631577 is about 7391.3176768422. The cubic root of 54631577 is about 379.4441943745. Note that the first 3 decimals are identical.

It can be divided in two parts, 546 and 31577, that added together give a palindrome (32123).

The spelling of 54631577 in words is "fifty-four million, six hundred thirty-one thousand, five hundred seventy-seven".