53307628 has 12 divisors (see below), whose sum is σ = 101769192. Its totient is φ = 24230720.

The previous prime is 53307619. The next prime is 53307643. The reversal of 53307628 is 82670335.

It is a junction number, because it is equal to n+sod(n) for n = 53307593 and 53307602.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605725 + ... + 605812.

It is an arithmetic number, because the mean of its divisors is an integer number (8480766).

Almost surely, 2^53307628 is an apocalyptic number.

It is an amenable number.

53307628 is a deficient number, since it is larger than the sum of its proper divisors (48461564).

53307628 is a wasteful number, since it uses less digits than its factorization.

53307628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211552 (or 1211550 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 53307628 is about 7301.2072974269. The cubic root of 53307628 is about 376.3539277221.

It can be divided in two parts, 53307 and 628, that added together give a palindrome (53935).

The spelling of 53307628 in words is "fifty-three million, three hundred seven thousand, six hundred twenty-eight".