53317480 has 32 divisors (see below), whose sum is σ = 120356640. Its totient is φ = 21257280.

The previous prime is 53317471. The next prime is 53317487. The reversal of 53317480 is 8471335.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (53317487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11227 + ... + 15253.

It is an arithmetic number, because the mean of its divisors is an integer number (3761145).

Almost surely, 2^53317480 is an apocalyptic number.

It is an amenable number.

53317480 is an abundant number, since it is smaller than the sum of its proper divisors (67039160).

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

53317480 is a wasteful number, since it uses less digits than its factorization.

53317480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4369 (or 4365 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 53317480 is about 7301.8819491964. The cubic root of 53317480 is about 376.3771114617.

The spelling of 53317480 in words is "fifty-three million, three hundred seventeen thousand, four hundred eighty".