61653028 has 12 divisors (see below), whose sum is σ = 107952012. Its totient is φ = 30809600.

The previous prime is 61653023. The next prime is 61653029. The reversal of 61653028 is 82035616.

It can be written as a sum of positive squares in 2 ways, for example, as 53114944 + 8538084 = 7288^2 + 2922^2 .

It is not an unprimeable number, because it can be changed into a prime (61653023) 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, 7728 + ... + 13528.

It is an arithmetic number, because the mean of its divisors is an integer number (8996001).

Almost surely, 2^61653028 is an apocalyptic number.

It is an amenable number.

61653028 is a deficient number, since it is larger than the sum of its proper divisors (46298984).

61653028 is a wasteful number, since it uses less digits than its factorization.

61653028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8462 (or 8460 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 61653028 is about 7851.9442178355. The cubic root of 61653028 is about 395.0494581023.

The spelling of 61653028 in words is "sixty-one million, six hundred fifty-three thousand, twenty-eight".