53307830 has 16 divisors (see below), whose sum is σ = 96688944. Its totient is φ = 21159840.

The previous prime is 53307827. The next prime is 53307871. The reversal of 53307830 is 3870335.

It is a junction number, because it is equal to n+sod(n) for n = 53307793 and 53307802.

It is a congruent number.

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, 19037 + ... + 21656.

It is an arithmetic number, because the mean of its divisors is an integer number (6043059).

Almost surely, 2^53307830 is an apocalyptic number.

53307830 is a deficient number, since it is larger than the sum of its proper divisors (43381114).

53307830 is a wasteful number, since it uses less digits than its factorization.

53307830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40831.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 53307830 is about 7301.2211307424. The cubic root of 53307830 is about 376.3544030975.

It can be divided in two parts, 533078 and 30, that multiplied together give a triangular number (15992340 = T₅₆₅₅).

The spelling of 53307830 in words is "fifty-three million, three hundred seven thousand, eight hundred thirty".