55236751 has 2 divisors, whose sum is σ = 55236752. Its totient is φ = 55236750.

The previous prime is 55236739. The next prime is 55236763. The reversal of 55236751 is 15763255.

It is a balanced prime because it is at equal distance from previous prime (55236739) and next prime (55236763).

It is a cyclic number.

It is not a de Polignac number, because 55236751 - 2⁵ = 55236719 is a prime.

It is a super-2 number, since 2×55236751² = 6102197322072002, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55231751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27618375 + 27618376.

It is an arithmetic number, because the mean of its divisors is an integer number (27618376).

Almost surely, 2^55236751 is an apocalyptic number.

55236751 is the 4701-st centered pentagonal number.

55236751 is a deficient number, since it is larger than the sum of its proper divisors (1).

55236751 is an equidigital number, since it uses as much as digits as its factorization.

55236751 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31500, while the sum is 34.

The square root of 55236751 is about 7432.1430960390. The cubic root of 55236751 is about 380.8401333509.

The spelling of 55236751 in words is "fifty-five million, two hundred thirty-six thousand, seven hundred fifty-one".