53211503551 has 8 divisors (see below), whose sum is σ = 53268220800. Its totient is φ = 53154816000.

The previous prime is 53211503537. The next prime is 53211503563. The reversal of 53211503551 is 15530511235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53211503551 - 2⁹ = 53211503039 is a prime.

It is a super-2 number, since 2×53211503551² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53211503581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5632690 + ... + 5642128.

It is an arithmetic number, because the mean of its divisors is an integer number (6658527600).

Almost surely, 2^53211503551 is an apocalyptic number.

53211503551 is a deficient number, since it is larger than the sum of its proper divisors (56717249).

53211503551 is a wasteful number, since it uses less digits than its factorization.

53211503551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14849.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 53211503551 in words is "fifty-three billion, two hundred eleven million, five hundred three thousand, five hundred fifty-one".