53690132 has 6 divisors (see below), whose sum is σ = 93957738. Its totient is φ = 26845064.

The previous prime is 53690123. The next prime is 53690137. The reversal of 53690132 is 23109635.

It can be written as a sum of positive squares in only one way, i.e., 52940176 + 749956 = 7276^2 + 866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 53690095 and 53690104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53690137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6711263 + ... + 6711270.

It is an arithmetic number, because the mean of its divisors is an integer number (15659623).

Almost surely, 2^53690132 is an apocalyptic number.

It is an amenable number.

53690132 is a deficient number, since it is larger than the sum of its proper divisors (40267606).

53690132 is a wasteful number, since it uses less digits than its factorization.

53690132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13422537 (or 13422535 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 53690132 is about 7327.3550480375. The cubic root of 53690132 is about 377.2519476223.

Adding to 53690132 its reverse (23109635), we get a palindrome (76799767).

The spelling of 53690132 in words is "fifty-three million, six hundred ninety thousand, one hundred thirty-two".