553778542051 has 36 divisors (see below), whose sum is σ = 668268753768. Its totient is φ = 457516297728.

The previous prime is 553778542049. The next prime is 553778542099. The reversal of 553778542051 is 150245877355.

It is not a de Polignac number, because 553778542051 - 2¹ = 553778542049 is a prime.

It is a super-2 number, since 2×553778542051² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 553778542051.

It is not an unprimeable number, because it can be changed into a prime (553778542951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 7139091 + ... + 7216243.

It is an arithmetic number, because the mean of its divisors is an integer number (18563020938).

Almost surely, 2^553778542051 is an apocalyptic number.

553778542051 is a deficient number, since it is larger than the sum of its proper divisors (114490211717).

553778542051 is a wasteful number, since it uses less digits than its factorization.

553778542051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77348 (or 77304 counting only the distinct ones).

The product of its (nonzero) digits is 5880000, while the sum is 52.

The spelling of 553778542051 in words is "five hundred fifty-three billion, seven hundred seventy-eight million, five hundred forty-two thousand, fifty-one".