55415004527 has 2 divisors, whose sum is σ = 55415004528. Its totient is φ = 55415004526.

The previous prime is 55415004493. The next prime is 55415004569. The reversal of 55415004527 is 72540051455.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55415004527 is a prime.

It is a super-3 number, since 3×55415004527³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55415004577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27707502263 + 27707502264.

It is an arithmetic number, because the mean of its divisors is an integer number (27707502264).

Almost surely, 2^55415004527 is an apocalyptic number.

55415004527 is a deficient number, since it is larger than the sum of its proper divisors (1).

55415004527 is an equidigital number, since it uses as much as digits as its factorization.

55415004527 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 140000, while the sum is 38.

The spelling of 55415004527 in words is "fifty-five billion, four hundred fifteen million, four thousand, five hundred twenty-seven".