53621350 has 24 divisors (see below), whose sum is σ = 100328400. Its totient is φ = 21321120.

The previous prime is 53621341. The next prime is 53621353. The reversal of 53621350 is 5312635.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53621353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5551 + ... + 11749.

It is an arithmetic number, because the mean of its divisors is an integer number (4180350).

Almost surely, 2^53621350 is an apocalyptic number.

53621350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53621350 is a deficient number, since it is larger than the sum of its proper divisors (46707050).

53621350 is a wasteful number, since it uses less digits than its factorization.

53621350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384 (or 6379 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 53621350 is about 7322.6600358067. The cubic root of 53621350 is about 377.0907806254.

Adding to 53621350 its reverse (5312635), we get a palindrome (58933985).

The spelling of 53621350 in words is "fifty-three million, six hundred twenty-one thousand, three hundred fifty".