53772461 has 8 divisors (see below), whose sum is σ = 54353400. Its totient is φ = 53194752.

The previous prime is 53772449. The next prime is 53772469. The reversal of 53772461 is 16427735.

It can be written as a sum of positive squares in 4 ways, for example, as 28900 + 53743561 = 170^2 + 7331^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53772461 - 2¹⁰ = 53771437 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53772469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46061 + ... + 47213.

It is an arithmetic number, because the mean of its divisors is an integer number (6794175).

Almost surely, 2^53772461 is an apocalyptic number.

It is an amenable number.

53772461 is a deficient number, since it is larger than the sum of its proper divisors (580939).

53772461 is a wasteful number, since it uses less digits than its factorization.

53772461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615.

The product of its digits is 35280, while the sum is 35.

The square root of 53772461 is about 7332.9708167972. The cubic root of 53772461 is about 377.4446764825. Note that the first 3 decimals are identical.

The spelling of 53772461 in words is "fifty-three million, seven hundred seventy-two thousand, four hundred sixty-one".