55929493 has 2 divisors, whose sum is σ = 55929494. Its totient is φ = 55929492.

The previous prime is 55929481. The next prime is 55929527. The reversal of 55929493 is 39492955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53100369 + 2829124 = 7287^2 + 1682^2 .

It is a cyclic number.

It is not a de Polignac number, because 55929493 - 2¹³ = 55921301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55929443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27964746 + 27964747.

It is an arithmetic number, because the mean of its divisors is an integer number (27964747).

Almost surely, 2^55929493 is an apocalyptic number.

It is an amenable number.

55929493 is a deficient number, since it is larger than the sum of its proper divisors (1).

55929493 is an equidigital number, since it uses as much as digits as its factorization.

55929493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 437400, while the sum is 46.

The square root of 55929493 is about 7478.6023426841. The cubic root of 55929493 is about 382.4256035979.

It can be divided in two parts, 55 and 929493, that multiplied together give a palindrome (51122115).

The spelling of 55929493 in words is "fifty-five million, nine hundred twenty-nine thousand, four hundred ninety-three".