61353504 has 48 divisors (see below), whose sum is σ = 178950240. Its totient is φ = 20450880.

The previous prime is 61353497. The next prime is 61353521. The reversal of 61353504 is 40535316.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34642 + ... + 36369.

It is an arithmetic number, because the mean of its divisors is an integer number (3728130).

Almost surely, 2^61353504 is an apocalyptic number.

It is an amenable number.

61353504 is an abundant number, since it is smaller than the sum of its proper divisors (117596736).

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

61353504 is a wasteful number, since it uses less digits than its factorization.

61353504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71030 (or 71016 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 61353504 is about 7832.8477579996. The cubic root of 61353504 is about 394.4086735061.

The spelling of 61353504 in words is "sixty-one million, three hundred fifty-three thousand, five hundred four".