55970357 has 2 divisors, whose sum is σ = 55970358. Its totient is φ = 55970356.

The previous prime is 55970351. The next prime is 55970363. The reversal of 55970357 is 75307955.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (55970351) and next prime (55970363).

It can be written as a sum of positive squares in only one way, i.e., 30980356 + 24990001 = 5566^2 + 4999^2 .

It is a cyclic number.

It is not a de Polignac number, because 55970357 - 2¹⁴ = 55953973 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55970351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27985178 + 27985179.

It is an arithmetic number, because the mean of its divisors is an integer number (27985179).

Almost surely, 2^55970357 is an apocalyptic number.

It is an amenable number.

55970357 is a deficient number, since it is larger than the sum of its proper divisors (1).

55970357 is an equidigital number, since it uses as much as digits as its factorization.

55970357 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 165375, while the sum is 41.

The square root of 55970357 is about 7481.3339051268. Note that the first 3 decimals coincide. The cubic root of 55970357 is about 382.5187186647.

The spelling of 55970357 in words is "fifty-five million, nine hundred seventy thousand, three hundred fifty-seven".