553400051 has 4 divisors (see below), whose sum is σ = 557065104. Its totient is φ = 549735000.

The previous prime is 553400047. The next prime is 553400063. The reversal of 553400051 is 150004355.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150004355 = 5 ⋅30000871.

It is a cyclic number.

It is not a de Polignac number, because 553400051 - 2² = 553400047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (553400021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1832300 + ... + 1832601.

It is an arithmetic number, because the mean of its divisors is an integer number (139266276).

Almost surely, 2^553400051 is an apocalyptic number.

553400051 is a deficient number, since it is larger than the sum of its proper divisors (3665053).

553400051 is a wasteful number, since it uses less digits than its factorization.

553400051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3665052.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 553400051 is about 23524.4564443049. The cubic root of 553400051 is about 821.0061271780.

The spelling of 553400051 in words is "five hundred fifty-three million, four hundred thousand, fifty-one".