55207526401 has 8 divisors (see below), whose sum is σ = 58527298440. Its totient is φ = 51895784448.

The previous prime is 55207526389. The next prime is 55207526513. The reversal of 55207526401 is 10462570255.

It can be written as a sum of positive squares in 4 ways, for example, as 24141701376 + 31065825025 = 155376^2 + 176255^2 .

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 55207526401 - 2⁹ = 55207525889 is a prime.

It is a super-2 number, since 2×55207526401² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55207506401) 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, 1993356 + ... + 2020861.

It is an arithmetic number, because the mean of its divisors is an integer number (7315912305).

It is a Proth number, since it is equal to 26325 ⋅ 2²¹ + 1 and 26325 < 2²¹.

Almost surely, 2^55207526401 is an apocalyptic number.

It is an amenable number.

55207526401 is a deficient number, since it is larger than the sum of its proper divisors (3319772039).

55207526401 is a wasteful number, since it uses less digits than its factorization.

55207526401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4015043.

The product of its (nonzero) digits is 84000, while the sum is 37.

The spelling of 55207526401 in words is "fifty-five billion, two hundred seven million, five hundred twenty-six thousand, four hundred one".