53477872 has 30 divisors (see below), whose sum is σ = 118586904. Its totient is φ = 22885920.

The previous prime is 53477857. The next prime is 53477873. The reversal of 53477872 is 27877435.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53477873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 77047 + ... + 77737.

Almost surely, 2^53477872 is an apocalyptic number.

It is an amenable number.

53477872 is an abundant number, since it is smaller than the sum of its proper divisors (65109032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53477872 is an frugal number, since it uses more digits than its factorization.

53477872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397 (or 700 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 53477872 is about 7312.8566237825. The cubic root of 53477872 is about 376.7541450653.

The spelling of 53477872 in words is "fifty-three million, four hundred seventy-seven thousand, eight hundred seventy-two".