53630477 has 4 divisors (see below), whose sum is σ = 53714016. Its totient is φ = 53546940.

The previous prime is 53630443. The next prime is 53630491. The reversal of 53630477 is 77403635.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53630477 - 2¹⁰ = 53629453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53630677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40799 + ... + 42092.

It is an arithmetic number, because the mean of its divisors is an integer number (13428504).

Almost surely, 2^53630477 is an apocalyptic number.

It is an amenable number.

53630477 is a deficient number, since it is larger than the sum of its proper divisors (83539).

53630477 is an equidigital number, since it uses as much as digits as its factorization.

53630477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83538.

The product of its (nonzero) digits is 52920, while the sum is 35.

The square root of 53630477 is about 7323.2832117842. The cubic root of 53630477 is about 377.1121745435.

It can be divided in two parts, 536 and 30477, that added together give a palindrome (31013).

The spelling of 53630477 in words is "fifty-three million, six hundred thirty thousand, four hundred seventy-seven".