52621355 has 16 divisors (see below), whose sum is σ = 69361920. Its totient is φ = 38145888.

The previous prime is 52621343. The next prime is 52621367. The reversal of 52621355 is 55312625.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52621343) and next prime (52621367).

It is a cyclic number.

It is not a de Polignac number, because 52621355 - 2⁸ = 52621099 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9857 + ... + 14226.

It is an arithmetic number, because the mean of its divisors is an integer number (4335120).

Almost surely, 2^52621355 is an apocalyptic number.

52621355 is a deficient number, since it is larger than the sum of its proper divisors (16740565).

52621355 is a wasteful number, since it uses less digits than its factorization.

52621355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24130.

The product of its digits is 9000, while the sum is 29.

The square root of 52621355 is about 7254.0578299322. The cubic root of 52621355 is about 374.7319091258.

The spelling of 52621355 in words is "fifty-two million, six hundred twenty-one thousand, three hundred fifty-five".