552207402337781 has 16 divisors (see below), whose sum is σ = 585532005562368. Its totient is φ = 519689649956400.

The previous prime is 552207402337771. The next prime is 552207402337819. The reversal of 552207402337781 is 187733204702255.

It is a cyclic number.

It is not a de Polignac number, because 552207402337781 - 2²² = 552207398143477 is a prime.

It is a super-2 number, since 2×552207402337781² (a number of 30 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (552207402337751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346386635 + ... + 347977176.

It is an arithmetic number, because the mean of its divisors is an integer number (36595750347648).

Almost surely, 2^{552207402337781} is an apocalyptic number.

It is an amenable number.

552207402337781 is a deficient number, since it is larger than the sum of its proper divisors (33324603224587).

552207402337781 is a wasteful number, since it uses less digits than its factorization.

552207402337781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694364392.

The product of its (nonzero) digits is 19756800, while the sum is 56.

The spelling of 552207402337781 in words is "five hundred fifty-two trillion, two hundred seven billion, four hundred two million, three hundred thirty-seven thousand, seven hundred eighty-one".