61484553 has 24 divisors (see below), whose sum is σ = 98946120. Its totient is φ = 36529920.

The previous prime is 61484519. The next prime is 61484567. The reversal of 61484553 is 35548416.

It is a happy number.

61484553 is a `hidden beast` number, since 61 + 48 + 4 + 553 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1065024 + 60419529 = 1032^2 + 7773^2 .

It is not a de Polignac number, because 61484553 - 2¹² = 61480457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61484503) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5668 + ... + 12453.

It is an arithmetic number, because the mean of its divisors is an integer number (4122755).

Almost surely, 2^61484553 is an apocalyptic number.

It is an amenable number.

61484553 is a deficient number, since it is larger than the sum of its proper divisors (37461567).

61484553 is a wasteful number, since it uses less digits than its factorization.

61484553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18169 (or 18166 counting only the distinct ones).

The product of its digits is 57600, while the sum is 36.

The square root of 61484553 is about 7841.2086440803. The cubic root of 61484553 is about 394.6892883150.

It can be divided in two parts, 6148 and 4553, that added together give a palindrome (10701).

The spelling of 61484553 in words is "sixty-one million, four hundred eighty-four thousand, five hundred fifty-three".