55825031 has 2 divisors, whose sum is σ = 55825032. Its totient is φ = 55825030.

The previous prime is 55825019. The next prime is 55825037. The reversal of 55825031 is 13052855.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55825031 - 2¹⁴ = 55808647 is a prime.

It is a super-2 number, since 2×55825031² = 6232868172301922, which contains 22 as substring.

It is equal to p_3328544 and since 55825031 and 3328544 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 55824985 and 55825003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55825037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27912515 + 27912516.

It is an arithmetic number, because the mean of its divisors is an integer number (27912516).

Almost surely, 2^55825031 is an apocalyptic number.

55825031 is a deficient number, since it is larger than the sum of its proper divisors (1).

55825031 is an equidigital number, since it uses as much as digits as its factorization.

55825031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 55825031 is about 7471.6150195256. The cubic root of 55825031 is about 382.1873641136.

Adding to 55825031 its reverse (13052855), we get a palindrome (68877886).

The spelling of 55825031 in words is "fifty-five million, eight hundred twenty-five thousand, thirty-one".