51553034253 has 40 divisors (see below), whose sum is σ = 88820504960. Its totient is φ = 29188576800.

The previous prime is 51553034207. The next prime is 51553034257. The reversal of 51553034253 is 35243035515.

51553034253 is a `hidden beast` number, since 51 + 55 + 303 + 4 + 253 = 666.

It is not a de Polignac number, because 51553034253 - 2¹³ = 51553026061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51553034257) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 355273 + ... + 478878.

It is an arithmetic number, because the mean of its divisors is an integer number (2220512624).

Almost surely, 2^51553034253 is an apocalyptic number.

It is an amenable number.

51553034253 is a deficient number, since it is larger than the sum of its proper divisors (37267470707).

51553034253 is a wasteful number, since it uses less digits than its factorization.

51553034253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 834279 (or 834270 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 36.

Adding to 51553034253 its reverse (35243035515), we get a palindrome (86796069768).

The spelling of 51553034253 in words is "fifty-one billion, five hundred fifty-three million, thirty-four thousand, two hundred fifty-three".